BIPI
BIPI

Writing from the control layer.

Long-form notes on what we actually do. Detection engineering, agentic AI, identity audits, web performance, WhatsApp deliverability, DPDPA implementation, PCI DSS 4.0, RAG architecture, cloud IAM privilege escalation, SMS DLT in India, API rate limiting, and more. Written by Arjun Raghavan, Security & Systems Lead, BIPI. No SEO bait. No list posts. Material we would send to a peer.

AiTM Phishing Walks Past Your MFA. Here Is What Actually Stops It.

Threat Intelligence · 8 min

Adversary-in-the-middle phishing kits like Tycoon and EvilProxy are the dominant credential-theft pattern in 2026, and standard TOTP MFA does nothing against them. The fix is phishing-resistant authentication, not more user training.

Browser Extensions Are the Supply Chain Vector Nobody Audits.

Threat Intelligence · 7 min

Your engineers run 12 extensions in their work browser. Any one of them, sold or compromised, has DOM access to every SaaS tab they open. The 2025 wave of extension takeovers turned this from theoretical to active.

Post-Quantum Cryptography Migration: Where to Start in 2026

Cybersecurity · 9 min

NIST finalised the post-quantum standards in 2024. The migration window is closing — quantum-capable adversaries are years away, but harvest-now-decrypt-later traffic is being recorded today. The pragmatic 2026 starter plan.

The IDOR Pattern Still Wins in 2026

Cybersecurity · 7 min

Insecure Direct Object Reference is the simplest authorization bug and still the most prevalent in our pentest reports. Why it persists, the three places we always find it, and the data-layer pattern that fixes it once and for all.

Terraform Drift Causes More Outages Than Bad Code Does.

Cloud Security · 7 min

The console-edit, the emergency hotfix, the unclaimed resource. Drift between Terraform state and reality is the single most common cause of cloud outages we work. The remediation is process, not tooling.

Build LLM Cost Controls Before the Bill Surprises You.

Agentic AI · 7 min

Most LLM cost incidents are not bugs. They are the system working as designed, with no rate limits, no per-tenant budgets, and a runaway loop in production. Here is the cost-control stack we ship by default.

SBOMs That Get Used vs. SBOMs That Sit in Storage.

Compliance · 6 min

Most companies generate SBOMs to satisfy a customer questionnaire. The SBOM gets uploaded to a portal nobody reads. The teams getting actual security value have a different workflow.

Why Your Corporate Website Fails the 1.8-Second Test

Digital Engineering · 6 min

Most corporate sites land between 3.5 and 7 seconds on LCP. The four things causing it are unglamorous and fixable in an afternoon. What we changed on our own site to get under 2.

JWT Misuse Patterns That Look Secure in Code Review.

Cybersecurity · 6 min

JWTs are easy to use and easy to misuse. The misuse passes review because the code looks fine. Here are the patterns we find on most engagements that read as 'standard JWT' but break under attack.

ISO 27001 Is a Checklist. Real Compliance Is a Reflex.

Compliance · 7 min

The certificate on your wall is an artefact. It unblocks sales; it does not make your organisation safe. The distinction between paper compliance and reflex compliance, and the three habits that separate them.

Why Your WhatsApp Business Messages Land in the Blocked List

Growth Systems · 7 min

Nine out of ten growth teams we work with have the same problem in month two. The deliverability rate collapses, the account gets rate-limited, and nobody can explain why. Meta's quality rating system is doing exactly what it's supposed to do.

Email Deliverability for B2B SaaS: A Working Playbook

Growth Systems · 8 min

Email is the channel B2B SaaS most underestimates. Bad deliverability looks like 'campaigns are not working.' The fix is technical, not creative. SPF, DKIM, DMARC, subdomain isolation, and warming.

EU AI Act for SaaS: The 2026 Compliance Checklist

Compliance · 9 min

The EU AI Act phased into effect in 2025 and 2026. SaaS that touches EU users now classifies its AI features by risk tier. The checklist we work through with clients shipping AI to Europe.

Five Questions to Ask Before You Buy a Pentest

Cybersecurity · 6 min

Most pentests produce a PDF that sits in a drawer. A year later the organisation buys another one. The finding counts might differ. Very little else changes. The problem isn't the testing. The problem is the procurement.

Vendor Risk Management at Scale: The Real Process

Compliance · 7 min

Vendor risk questionnaires are theatre. Real vendor risk management is a continuous process tied to the change events that actually create exposure. The four-stage program we install.

Seven Signals That Your Build Pipeline Is Compromised

Cybersecurity · 8 min

Most supply-chain attacks are not loud at the moment of compromise. They are loud after the fact — postmortem-loud. Here are the seven signals our IR team looks for that catch the attack while it is still recoverable.

What the npm Worm Wave of 2025 Should Change About How You Ship

Threat Intelligence · 8 min

September 2025 brought self-replicating worms across npm publisher accounts. Stolen tokens, malicious updates pushed to neighbouring packages, billions of downloads in the blast radius. If your CI runs npm install on every build and trusts the lockfile, you are downwind of this attack class.

Azure Entra ID Attack Techniques 2025: Device Code Phishing, Token Theft and PRT Abuse

Cloud Security · 11 min

Azure Entra ID (formerly Azure AD) is the identity backbone of most Microsoft 365 enterprises. This post covers three advanced attack techniques active in 2025 red team engagements and nation-state campaigns: device code flow phishing, access token theft from browser memory, and Primary Refresh Token abuse for persistent access.

API Rate Limiting Strategies That Don't Hate Your Customers

Digital Engineering · 7 min

Most rate-limiting implementations are designed to protect the server. Few are designed to be usable by API consumers. The patterns we keep recommending and the customer-facing rate-limit policy that survives integration review.

Multi-Agent Systems and the New Attack Surface Nobody Has Mapped Yet

Agentic AI · 11 min

When AI agents talk to other AI agents, trust becomes the attack surface. A2A protocol, orchestrator compromise, and inter-agent prompt injection are reshaping what it means to secure an AI deployment. Here is what the threat model looks like in 2025.

MCP Server Security: Tool Poisoning, Prompt Injection, and What Teams Are Getting Wrong

Agentic AI · 11 min

Model Context Protocol is becoming the backbone of production AI agent deployments. It also introduces a new class of attack surface that most security teams have not yet mapped. Here is what tool poisoning looks like, why prompt injection via MCP is harder to block than it sounds, and how to secure MCP deployments before they become your next breach vector.

Why Kubernetes RBAC Is Almost Always Misconfigured

Cybersecurity · 7 min

Most teams running Kubernetes have RBAC. Most of them have it wrong in ways that aren't obvious until you trace through it. The non-obvious misconfigurations look like a role that's correct but lets a service account read every secret in the cluster.

LLM Evaluation Beyond Vibes: Building an Eval Harness for Production

Agentic AI · 8 min

'It feels right' is the most common evaluation method we audit. Sometimes that's enough. Often it isn't, and the failure shows up six weeks later when behavior drifts. Real evaluation is a test harness — automated, regression-safe, runs on every prompt change.

API Security Testing: From Recon to Exploit in Seven Phases

Cybersecurity · 11 min

Modern APIs expose more attack surface than any web UI ever did. A structured methodology for taking an API from unknown endpoints to confirmed critical findings — covering auth flaws, mass assignment, BOLA, and injection chains.

Database Migrations Without Downtime: The Five-Phase Pattern

Digital Engineering · 7 min

Schema changes in production databases are the most common cause of unplanned downtime we see. Most teams know the pattern in theory. In practice the order gets compressed, the timeline gets compressed, and at 3am someone is hand-editing a migration table.

SOC 2 Type II in 90 Days: What Actually Has to Be True

Compliance · 8 min

'We need SOC 2 by Q3' is a phrase we hear once a quarter. The 90-day timeline only works if you start with the right scope, run a real audit period, and skip the right shortcuts. Here's what we actually do.

AMSI, ETW, and PowerShell Logging Bypass for Red Teams

Cybersecurity · 11 min

Three telemetry surfaces stand between PowerShell tradecraft and the SOC: AMSI, ETW, and Script Block Logging. A practical bypass catalogue with code, plus the detections that still catch every variant.

Polyfill.io and the Death of 'Just Use a CDN'

Threat Intelligence · 7 min

In June 2024 the Polyfill.io domain was caught serving malicious code to about 100,000 websites. The polyfill was fine. The CDN had changed hands and the new owner shipped whatever they wanted. The full story is the failure mode in one example.

Cron Job and Systemd Timer Privilege Escalation

Cybersecurity · 10 min

Cron and systemd timers run as root on a schedule, and they are full of writable scripts, weak permissions, and PATH games. We cover how to find them and abuse them.

Internal Network Pentest: The Four Stages We Run

Cybersecurity · 9 min

An internal pentest is not a CTF. It is a repeatable workflow of recon, enumeration, AD attack, and lateral movement. Here is the kit and the detection signals at each stage.

Linux Privilege Escalation: A Pentester's Checklist

Cybersecurity · 8 min

A field-tested walkthrough of Linux post-exploitation paths: sudo misconfig, SUID abuse, capabilities, cron, Docker group, NFS, and PATH hijacking. Plus the hardening that actually closes them.

Terraform State as Attack Surface

Cloud Security · 8 min

Terraform state files contain everything: API keys, database passwords, IAM role ARNs, private IPs. Treat the state backend like a credential store, because that is what it is.

EKS IAM Roles for Service Accounts Misconfigurations

Cloud Security · 8 min

IRSA is the right pattern for EKS workloads but the trust policy is where it breaks. Missing namespace conditions, broad audiences, and stale role bindings turn a good design into a pivot.

Lambda Function Pentest Findings That Repeat

Cloud Security · 7 min

Serverless does not mean unattackable. Lambda functions leak through env vars, escalate through UpdateFunctionCode, and persist through poisoned layers. Here are the findings we see on every engagement.

Cloud Storage Bucket Recon and How to End the Class

Cloud Security · 7 min

Public buckets are not a 2017 problem. We still find them on every engagement, plus signed-URL leaks and bucket takeovers nobody noticed. Here is how recon works and the controls that close the class.

ECS and Fargate Attack Surface Worth Testing

Cloud Security · 7 min

Fargate looks tidier than EC2 because there is no host to manage. The IAM, secrets, and image pipeline still leak in familiar ways. Here is what a pentester targets and what to fix.

Container Escape Techniques and Defenses That Hold

Cloud Security · 8 min

Container escapes are not exotic. Privileged flags, mounted Docker sockets, and CAP_SYS_ADMIN show up in real workloads. Here is what we exploit and what to put between attackers and the host.

GCP IAM Attack Paths and How to Close Them

Cloud Security · 7 min

GCP IAM looks simpler than AWS until you trace service account impersonation across projects. Here are the paths we exploit on engagements and the controls that actually stop them.

Azure AD Pentest Methodology for Entra ID Tenants

Cloud Security · 8 min

Entra ID attacks rarely look like brute force. They look like consented apps, sneaky service principal credentials, and dynamic group rules nobody reviews. Here is how we work them and how to harden against them.

Business Logic Flaw Testing: What Scanners Always Miss

Cybersecurity · 9 min

Negative quantities, coupon stacking, and workflow skips do not appear in any signature database. Here's how to systematically test business logic and the server-side authority pattern that prevents the entire class.

GraphQL Batching Abuse and How to Stop It

Cybersecurity · 7 min

GraphQL aliasing lets one HTTP request execute hundreds of operations, which silently bypasses rate limits and turns login mutations into brute-force engines. Here's how to detect and mitigate batching abuse.

WebSocket Vulnerabilities in 2026: Hijacking and Beyond

Cybersecurity · 7 min

WebSocket security gets less attention than HTTP, which is exactly why CSWH and missing per-message auth keep paying out. Here's the WebSocket pentest playbook and the controls that protect persistent connections.

OAuth Misconfiguration Pentest: From redirect_uri to PKCE

Cybersecurity · 8 min

OAuth flaws keep producing critical bugs because the spec leaves dangerous flexibility to implementers. Here's the redirect_uri, state, and code-handling pentest playbook plus the configuration that closes each gap.

File Upload Vulnerabilities: A Practical Defense Playbook

Cybersecurity · 8 min

File upload bypass techniques have outpaced naive extension blocklists for a decade. Here are the attack patterns we see on real engagements and the layered controls that hold up against polyglots and parser exploits.

GraphQL Pentest Methodology: Introspection to Field Auth

Cybersecurity · 9 min

GraphQL endpoints expose a different attack surface than REST. This playbook covers introspection harvesting, depth and complexity attacks, batching abuse, and the field-level authorization holes that scanners miss.

Server-Side Template Injection: Detection and Prevention

Cybersecurity · 8 min

SSTI turns a single user-controlled string into remote code execution. This playbook covers detection probes across Jinja2, Twig, Freemarker, and Handlebars, plus the rendering patterns that prevent it entirely.

XXE Injection: Find It, Fix It, Verify It

Cybersecurity · 7 min

XML External Entity bugs persist because most XML parsers ship insecure defaults. Here's how authorized testers prove file read and blind OOB exfil, and the parser-by-parser settings that close the door.

Trust Relationship Abuse: Cross-Forest Compromise Patterns

Cybersecurity · 8 min

Forest trusts were designed when the security boundary was the forest. Modern attacks treat trusts as one more BloodHound edge. We cover SID history abuse, cross-forest golden tickets, and selective authentication.

AD CS Misconfigurations: ESC1 Through ESC11 in Production

Cybersecurity · 9 min

Active Directory Certificate Services has become the most reliable path to Domain Admin on internal engagements. We cover what certipy finds, how to detect it, and the template hardening that closes it.

NTLM Relay: Still the Easiest Path to Domain Compromise

Cybersecurity · 9 min

NTLM relay attacks bypass the password entirely by forwarding authentication to a target that accepts it. The fix is unglamorous but specific: SMB signing, LDAP channel binding, and a deliberate plan to retire NTLM.

Master File Table Forensics: Recovering Evidence from NTFS MFT

Cybersecurity · 10 min

The NTFS Master File Table is the authoritative record of every file that has ever existed on a volume. Orphaned records, slack space, and directory entry reconstruction make the MFT a forensic source that survives both deletion and log wiping.

Cosign in Production: Keyless Signing and Admission Control That Works

Cybersecurity · 7 min

Sigstore and Cosign moved container signing from a 2020 research project to a production-ready pattern. We walk through keyless signing with OIDC, the Rekor transparency log, and the admission control story that keeps unsigned images out of your cluster.

GitHub Actions Hardening: What 2023-2026 Incidents Taught Us

Cybersecurity · 7 min

From the tj-actions/changed-files compromise to the credential leakage incidents in 2025, GitHub Actions has been a reliable supply-chain attack vector. The hardening playbook is well-known. Most teams have implemented half of it.

Shimcache Decoded: Registry Execution Artifacts for IR Teams

Cybersecurity · 9 min

Shimcache stores a history of every executable the Windows kernel has inspected for compatibility shims. Even without a definitive execution flag, it reconstructs file presence and lateral movement paths missed by other artifacts.

Operationalizing the CISA KEV Catalog: From Feed to Patched in 14 Days

Cybersecurity · 7 min

The CISA Known Exploited Vulnerabilities catalog cut through the CVE noise with a single principle: only list vulns that are actually being exploited. Mapping it to your asset inventory and hitting the 14-day SLA is the part nobody publishes a runbook for.

LNK File Forensics: Pivot Targets and Remote Host Artifacts

Cybersecurity · 8 min

Windows Shell Link files record volume serial numbers, NetBIOS names, and MAC addresses of remote hosts where files were accessed. A single LNK file can name a pivot target the attacker never intended to leave behind.

SLSA L1 to L4 in Production: What Each Level Actually Costs

Cybersecurity · 8 min

SLSA Level 3 is the realistic target for most enterprises in 2026. We walk through what hermetic builds, signed provenance and the GitHub Actions and Google Cloud Build paths actually look like once the auditor shows up.

Confidential Computing in 2026: Real Use Cases, Not Hype

Cybersecurity · 7 min

Intel TDX, AMD SEV-SNP and AWS Nitro Enclaves have moved from pilot curiosity to production deployment for a narrow set of workloads. We walk through the three use cases that actually justify the complexity tax.

eBPF Agents vs Traditional EDR: Where Each One Actually Wins

Cybersecurity · 8 min

Falco, Tetragon and Cilium have made eBPF-based runtime security the default conversation for Linux server workloads. The honest answer on Windows and macOS endpoints is still classical EDR, and pretending otherwise costs you coverage.

University Under Attack: IR in the Education Sector

Cybersecurity · 10 min

Universities face credential phishing at scale, ransomware across underfunded IT, and FERPA notification obligations. This playbook covers the unique IR challenges of higher education environments.

Healthcare IR Playbook: When Ransomware Hits the EHR

Cybersecurity · 11 min

When ransomware locks clinicians out of the EHR, every minute maps to patient risk. This playbook covers triage from HL7 interface shutdown to DICOM/PACS isolation and patient divert decisions.

GRU Election Interference: The 2024 Hack-and-Leak Playbook

Threat Intelligence · 11 min

GRU Unit 26165 applied its proven hack-and-leak doctrine against the French elections, combining spearphishing of political campaigns with coordinated amplification networks to weaponize stolen communications at decisive moments.

Charming Kitten Conference Trap: APT35 Phishing Researchers

Threat Intelligence · 9 min

APT35 targets academics, journalists, and nuclear policy experts using fraudulent conference invitations and fake interview requests, harvesting credentials through elaborate multi-stage phishing campaigns tied to Iranian intelligence priorities.

DOM-Based XSS Is Still Shipping in 2026

Cybersecurity · 7 min

Server-side XSS is mostly mitigated by frameworks. DOM XSS is alive and shipping in every major SPA codebase we audit. Trusted Types is the durable fix; lint tooling and engineer training are the path to it.

Clickjacking Defence: Past X-Frame-Options

Cybersecurity · 6 min

X-Frame-Options is legacy. CSP frame-ancestors is the modern answer, with edge cases for partner integrations and PDF viewers. Get the layering right or your clickjacking defence is theatre.

UNC3524: The APT That Lived Inside Network Appliances

Threat Intelligence · 10 min

UNC3524 achieved months-long undetected dwell time by implanting backdoors on network appliances without EDR coverage, then quietly forwarding Microsoft Exchange email to attacker-controlled mailboxes.

Sandworm Industroyer2: Wipers Dressed as Ransomware

Threat Intelligence · 11 min

Sandworm's Industroyer2 attack on Ukraine's energy grid in 2022 combined ICS-specific destructive malware with Prestige ransomware deployed as cover, masking a state-directed grid disruption as a criminal incident.

Web Cache Poisoning: Defence Patterns That Actually Hold

Cybersecurity · 7 min

Cache poisoning via header injection still ships in production CDNs and origin caches. The fixes are cache key normalization, header allowlisting, and busting on critical paths. None of them happen by default.

Kimsuky's Research Trap: LinkedIn Personas and BabyShark RAT

Threat Intelligence · 9 min

North Korea's Kimsuky group builds elaborate academic and journalist personas on LinkedIn to target nuclear researchers, policy analysts, and UN sanctions monitors, delivering BabyShark RAT via weaponized documents.

Turla's Layered Deception: Hijacking Other APTs to Hide

Threat Intelligence · 12 min

Turla has operated for over 20 years by weaponizing other threat actors' infrastructure, satellite uplinks, and stolen implants to layer attribution confusion into every stage of its operations.

CSRF Isn't Dead: The Edge Cases Still Shipping in 2026

Cybersecurity · 7 min

SameSite=Lax by default in 2024 killed most classic CSRF. The remaining attack surface is narrower but real: same-site bypasses, JSON CSRF via fetch, and action endpoints that ignore Origin.

Pikabot: The Loader That Filled Qakbot's Void

Threat Intelligence · 10 min

Pikabot emerged weeks after Qakbot's August 2023 takedown with a two-component architecture and aggressive anti-analysis that signaled professional development. Ransomware affiliates adopted it within months.

Subresource Integrity: The Cheap Defence Most Teams Skip

Cybersecurity · 6 min

SRI adoption sits below 30% on third-party scripts in production. The polyfill.io incident showed exactly what that gap costs. Adding integrity hashes is a build-time change that takes hours and prevents class breaks.

DanaBot: The Modular Trojan That Pivoted to Espionage

Threat Intelligence · 9 min

DanaBot began as a for-hire banking trojan with a clean plugin architecture and a thriving affiliate ecosystem. By 2023 it was targeting NATO communications, revealing a second mission beneath the financial fraud.

Snake Implant: Twenty Years of Turla Espionage Exposed

Threat Intelligence · 11 min

The Snake implant, active since at least 2003, represents the most technically sophisticated espionage tool ever publicly attributed to Russia's FSB. The FBI's 2023 MEDUSA operation finally neutralized it.

CORS Misconfiguration: The Bypasses Auditors Miss

Cybersecurity · 7 min

CORS bugs almost always boil down to four patterns: origin reflection, null origin, regex flaws, and the credentials trap. Most automated scanners catch one of the four. Manual review catches the rest.

DarkGate via Skype: The Malware Abusing Trusted Platforms

Threat Intelligence · 9 min

DarkGate operators pivoted from email to Skype and Microsoft Teams in 2023, exploiting implicit trust in enterprise messaging platforms to deliver an AutoIT-based loader capable of RDP abuse and credential theft.

Bumblebee Loader: How Threat Actors Replaced IcedID

Threat Intelligence · 8 min

Bumblebee emerged in 2022 as a purpose-built loader for ransomware affiliates, quickly displacing IcedID in several group's toolchains. Google Ads abuse and ISO delivery made it unusually hard to filter.

Emotet Is Back: Epoch 4 and the OneNote Pivot

Threat Intelligence · 10 min

Emotet survived a 2021 global takedown and returned stronger, adopting OneNote attachments after Microsoft killed macros. A deep look at Epoch 4 and 5 infrastructure and what defenders must do now.

Qakbot Dismantled: Inside Operation Duck Hunt

Threat Intelligence · 9 min

The FBI-led Operation Duck Hunt in August 2023 severed Qakbot's command infrastructure and removed the implant from 700,000 infected machines. Here is how the botnet worked and why the takedown mattered.

Onboarding Flows That Move Activation 10-30%

Growth Systems · 7 min

The single highest-leverage growth lever in most B2B SaaS is the first 7 days. Define the aha moment ruthlessly, instrument time-to-first-value, and decide which steps need a human and which need product.

Pricing Experiments Without Breaking Trust

Growth Systems · 7 min

Pricing changes are some of the highest-leverage experiments a SaaS can run, but the wrong methodology destroys customer trust faster than any feature mistake. Grandfather, isolate, and wrap qualitative around the quant.

Growth Metrics That Predict Revenue (And the Ones That Don't)

Growth Systems · 7 min

Most growth dashboards track lagging indicators that look healthy until they don't. The metrics that predict revenue 6-12 months out are activation rate, cohort retention curves, time-to-value, and net dollar retention by cohort.

Royal/BlackSuit: The Conti Splinter That Took Dallas Offline

Threat Intelligence · 8 min

Royal ransomware (now BlackSuit) was the Conti splinter that proved municipal governments were chronically under-defended. The Dallas attack and callback phishing playbook are still active under the new brand.

Programmatic SEO: When It Works and When It Buries You

Growth Systems · 7 min

Programmatic SEO works when you have unique data and genuine search intent at scale. It fails when you generate templated thin pages hoping volume will compensate for value. The difference is visible in the first 30 days.

FIN7: From Card Skimming to Ransomware Affiliate

Threat Intelligence · 8 min

FIN7 spent a decade perfecting card-skimming malware. In 2024, the same crew shows up as a ransomware affiliate selling EDR-killers on underground forums. The pivot tells you everything about the economics of e-crime.

B2B SaaS SEO in 2026: The Playbook That Still Works

Growth Systems · 7 min

Templated bottom-funnel pages are dying as AI overviews swallow transactional queries. The B2B SaaS sites still growing organically have shifted to deep, problem-aware content with credible authorship and tight internal architecture.

Active Directory Compromise: The Hardest IR You Will Ever Run

Cybersecurity · 9 min

AD compromise IR end-to-end. Kerberoasting and AS-REP roast detection, KRBTGT double-rotation, golden and silver ticket invalidation, ntds.dit credential reset, BloodHound for blast radius, and when rebuilding the forest is genuinely the only answer.

GraphQL Federation v2: Patterns That Survive Team Growth

Digital Engineering · 7 min

Federation v2 changed the contract between teams. We have shipped it on three large client codebases and the patterns that prevent breaking changes are not the ones in the docs. Here is what works.

DDoS Incident Response: From First Page to Post-Mortem

Cybersecurity · 7 min

DDoS runbook that survives contact with reality. Confirming it is actually DDoS, separating L3/4 from L7, engaging CDN and upstream providers, BGP blackhole as last resort, and the comms plan that keeps the business calm.

Container Forensics: When the Evidence Disappears with the Pod

Cybersecurity · 9 min

Containers are designed to be ephemeral. That is a feature for ops and a problem for IR. Falco runtime alerts, CRIU checkpoints, kubectl debug, overlay filesystem inspection, and the sysdig captures that save the case before the pod restarts.

Istio vs Linkerd: When You Actually Need a Service Mesh

Digital Engineering · 7 min

Service meshes solve real problems at scale. They also create real operational burden. Here is how we decide between Istio and Linkerd, and how we tell clients they do not need either one.

Insider Data Theft: A Real Investigation Without Hollywood

Cybersecurity · 8 min

Real insider cases are quieter than the training videos. USB exfil, personal Gmail uploads, Dropbox sync, abnormal print jobs, and the post-resignation behaviour pattern that quietly precedes most departures. Plus the legal handling people get wrong.

WebAssembly in Production: Where It Actually Wins in 2026

Digital Engineering · 7 min

WASM stopped being a demo five years ago. Here is what we see shipping in production today, the workloads where it pays for itself, and the places where plain JavaScript is still the smarter call.

India DPDPA: What Data Fiduciary Status Actually Demands

Compliance · 7 min

The Digital Personal Data Protection Act introduces the Data Fiduciary, a controller equivalent with India-specific obligations. The Significant Data Fiduciary tier raises the bar further. Here is the engineering checklist.

LGPD for SaaS: What Brazil Expects in 2026

Compliance · 7 min

ANPD enforcement matured fast between 2024 and 2026. If you handle Brazilian PII through a SaaS, the data mapping, DPO, and breach notification expectations are sharper than they were two years ago.

Multi-Agent Conflict Resolution Without the Folklore

Agentic AI · 7 min

When multiple agents share state, conflicts are not edge cases, they are the steady state. Leader/follower, consensus, last-writer-wins with reconciliation. We share which patterns hold up and when single-agent is the better answer.

Supervising Autonomous Agents: Approval Workflows that Scale

Agentic AI · 7 min

The hardest part of running autonomous agents in production is not building them. It is deciding which actions need a human, when to auto-pause, and how escalations flow. Patterns from three deployments, two of which earned their autonomy.

A Field Catalog of Agent Failure Modes

Agentic AI · 8 min

Agents fail in patterns. We have seen them all in production: tool param hallucination, infinite plan revision, premature completion, context truncation. Here is the catalog, with detection signals, prevention patterns, and recovery moves for each.

LangGraph or Loop: When Graph Orchestration Earns Its Keep

Agentic AI · 7 min

Graph orchestrators like LangGraph and CrewAI promise structure, durability, and clarity. Sometimes a while loop is enough. We share the decision criteria from a half-dozen production migrations, both directions.

Agent Cost Tracking: Per-User, Per-Feature, Per-Tool

Agentic AI · 7 min

Most cost dashboards stop at total tokens per day. That tells you nothing useful. We share patterns for per-user and per-feature attribution, propagating context through async tool calls, and surfacing spike patterns early.

Debugging Agent Loops Without Losing Your Weekend

Agentic AI · 7 min

Agent loops fail in ways that traditional debuggers cannot reach. We share the playbook our team uses for trace replay, intermediate state capture, and behavior diffing across model versions.

LockBit Two Years After Operation Cronos: What Actually Changed

Threat Intelligence · 7 min

Operation Cronos in February 2024 was the largest ransomware takedown in history. Two years on, the LockBit brand is wounded but the operators rebuilt. We trace the splinter groups, the affiliate migrations, and what defenders should adjust.

ScreenConnect CVE-2024-1709: The MSP Blast Radius

Threat Intelligence · 8 min

An authentication bypass in ConnectWise ScreenConnect handed ransomware affiliates direct admin on thousands of MSP servers. The damage propagated through the customers, not the product.

AI Watermarking: What It Promises, What It Delivers

AI Security · 7 min

Watermarking AI outputs sounds like a clean solution to provenance. Reality is messier: text watermarks survive paraphrasing poorly, image watermarks fight an arms race with edits, and deployment across providers is patchy. Here is the state in 2026.

Choosing an Embedding Model: A Practitioner's Comparison

Agentic AI · 7 min

OpenAI text-embedding-3, Cohere embed-v3, Voyage, and the open-source contenders. We benchmarked all four on multilingual retrieval, domain documents, and cost-per-million tokens. The right answer depends on what you are retrieving.

Cisco IOS XE October 2023: Web UI Off, Implants On

Threat Intelligence · 8 min

CVE-2023-20198 and CVE-2023-20253 chained an authentication bypass with a privilege escalation in the Cisco IOS XE Web UI. Tens of thousands of internet-exposed devices were implanted in days. The network-device supply-chain implications are still working through the industry.

Building an Internal LLM Red Team Program

AI Security · 8 min

External red teams find what they are paid to find. Internal teams find what hurts you in production. The skill mix, cadence, and reporting structure of an effective LLM red team look different from a traditional offensive security team.

The 25-Item Pre-Production Checklist for LLM Agents

Agentic AI · 8 min

Shipping an agent without a checklist is how teams end up with five-figure bills and a security incident in the same week. We share the 25-item checklist we walk every client through before promoting to production.

Microsoft Storm-0558: One Stolen Key, Two Identity Realms

Threat Intelligence · 9 min

A consumer signing key from a 2016 crash dump ended up forging Azure AD tokens for government email. The CSRB report on Storm-0558 reads like a master class in key-management failures. A practitioner walk-through of what happened and what changed.

Adversarial Examples in 2026: What Still Works

AI Security · 7 min

Adversarial example research has been productive but production-relevant defenses are narrower than the literature suggests. We map what attacks work today, which defenses move the needle, and which are theater.

AI-Generated Phishing: Text Detection Is Dead

AI Security · 7 min

Generated phishing copy is now indistinguishable from human writing. Detection signal has shifted entirely to behavior, link patterns, and sender provenance. Teams still relying on text-based filters are losing ground every quarter.

GoAnywhere MFT and Cl0p: The Pre-MOVEit Dress Rehearsal

Threat Intelligence · 8 min

Before MOVEit became the story of 2023, Cl0p ran the same playbook against Fortra's GoAnywhere MFT. CVE-2023-0669 was a deserialization flaw in the admin console; the affiliate program turned it into roughly 100 victim disclosures over months.

Surface Filters Are Not Safety: Bypass Patterns We See Weekly

AI Security · 6 min

Regex blocklists and naive classifier filters get bypassed routinely by encoding, framing, and indirect requests. Real content safety needs layered defense across input, model, and output, and most teams have only one of the three.

CircleCI January 2023: One Laptop, Every Customer's Secrets

Threat Intelligence · 9 min

An engineer's compromised laptop turned into a session cookie, and the session cookie turned into the ability to read environment variables and project keys across customers. The mass-rotation event that followed taught every CI/CD team what their attack surface really is.

Prompt Injection and Jailbreak Are Not the Same Problem

AI Security · 6 min

Teams routinely conflate prompt injection with jailbreak and end up with defenses that address neither well. The threat models are different, the attackers are different, and the controls that work for one rarely work for the other.

AIBOM: What Belongs Inside an AI Bill of Materials

AI Security · 7 min

AI Bill of Materials extends SBOM thinking to models, datasets, and embeddings. Regulators are pushing it hard. The tooling is rough but the practice is becoming non-negotiable for anyone shipping AI to enterprise customers.

Rate Limiting LLM Agents: Token Buckets Are Not Enough

Agentic AI · 7 min

Classic HTTP rate limiting falls apart when each agent call costs a variable number of tokens and triggers async tool fan-out. We share the multi-dimensional limiter architecture we run for production LLM agents.

Uber September 2022: MFA Fatigue, a PowerShell File, and a Teenager

Threat Intelligence · 8 min

The Uber breach happened because an MFA prompt was approved at the wrong time and because admin credentials sat in a shared PowerShell script. The end state was Slack, the internal HackerOne, and AWS at the same time. A walkthrough of the chain.

Detecting Poisoning in Fine-Tuning Datasets

AI Security · 8 min

User-supplied datasets are now a primary attack surface. We have seen poisoning campaigns that degrade safety, plant backdoors, and bias outputs at concentrations under 0.5 percent of training rows. Here is how to find them.

Detecting LLM Hallucinations in Production

AI Security · 7 min

Hallucination is the failure mode that erodes user trust faster than any other in production LLM systems. Detection is hard, but a combination of techniques can catch the worst cases before they reach users.

Twilio August 2022: When the Supply Chain Is Your Helpdesk's Phone

Threat Intelligence · 8 min

0ktapus did not exploit a zero-day at Twilio. They sent SMS messages to employees, harvested credentials through a clone of the SSO portal, and from there reached Signal users and the Authy MFA app. A look at employee phishing as a supply-chain vector.

Kaseya VSA and REvil: When the Management Tool Is the Attack

Threat Intelligence · 9 min

Over a July 4 weekend in 2021 REvil used a zero-day in Kaseya VSA to push ransomware through managed service providers into roughly 1,500 downstream businesses. A practitioner walk-through of the MSP supply-chain risk model.

Jailbreak Benchmarks Are Not Safety Certificates

AI Security · 7 min

Public benchmarks like HarmBench and JailbreakBench measure narrow slices of attack behavior. Passing them tells you almost nothing about how your deployed model handles real adversaries with budget and patience.

UK GDPR Divergence: What Actually Changes for Engineering

Compliance · 7 min

The UK Data Protection and Digital Information Bill is pulling UK GDPR away from EU alignment. Most of the divergence is administrative, but a few changes have direct engineering implications you need to plan for.

Rolling out IMDSv2 without breaking production

Cloud Security · 7 min

IMDSv2 closes the SSRF-to-credential-theft attack that has powered half the EC2 incidents of the last five years. The rollout breaks old SDKs, container images, and golden AMIs in unpredictable ways.

Secrets in a Public Repo: The First Hour Playbook

Cybersecurity · 7 min

A leaked AWS key in a public GitHub repo has a half-life of about four minutes before bots start probing it. This is the first-hour playbook we run when a developer pushes secrets to the wrong remote.

Engineering for Saudi PDPL: What KSA Customers Now Demand

Compliance · 7 min

Saudi Arabia's Personal Data Protection Law became enforceable in March 2023 with a one-year grace period that ended in 2024. For SaaS firms serving KSA, the engineering implications are concrete and immediate.

CERT-In 6-Hour Incident Reporting: Two Years On

Compliance · 7 min

The April 2022 CERT-In directions imposed a 6-hour incident reporting window on Indian organizations. Two years later, the enforcement reality is more nuanced than the original panic suggested.

PCI DSS 4.0: SAQ or RoC, and How to Decide in 2024

Compliance · 7 min

PCI DSS 4.0 became mandatory in March 2024 and the SAQ versus RoC choice has real cost implications. Merchant level thresholds, sampling logic, and where most teams misread their obligations.

Linux Endpoint Triage: A Practical DFIR Workflow

Cybersecurity · 8 min

Linux DFIR gets less attention than Windows, which is exactly why attackers love Linux servers. This is the triage workflow we run with UAC and AVML when a containerized host or VPS goes hot.

Cloud Cost vs Security: Where to Spend, Where to Cut

Cloud Security · 7 min

Security and cost optimization pull opposite directions. KMS keys, VPC endpoints, CloudTrail replication, and multi-region logs all cost money. Knowing where to spend and where not separates mature posture from compliance theatre.

The First 72 Hours: A Practitioner's IR Playbook

Cybersecurity · 8 min

The opening three days of an incident decide whether you contain a breach or amplify it. This is the hour-by-hour playbook we run when a Tier-1 alert escalates into a confirmed compromise.

LastPass 2022 to 2023: How a Plex Vulnerability Took an Encrypted Vault

Threat Intelligence · 9 min

LastPass disclosed two connected breaches over five months. The second, traced to a Plex Media Server vulnerability on a senior engineer's home machine, exfiltrated encrypted customer vaults. A walkthrough of the chain and the customer rotation imperative.

MOVEit Transfer CVE-2023-34362: Cl0p's Mass Exploitation Playbook

Threat Intelligence · 9 min

Cl0p exploited a SQL injection zero-day in Progress MOVEit Transfer over the U.S. Memorial Day weekend in 2023. By year-end, 2,700+ organizations and 90+ million individuals were affected. A look at the campaign mechanics and the fourth-party data exposure problem.

Retool August 2023: How TOTP Cloud Sync Broke MFA

Threat Intelligence · 8 min

A spear-phishing call to a Retool employee chained with Google Authenticator's cloud sync feature to compromise 27 of the company's cryptocurrency customers. The single strongest case in 2023 for FIDO2 over TOTP.

Infostealers Are Most Of Your Credential Theft Problem

Threat Intelligence · 7 min

RedLine, Lumma, Vidar, and a long tail of clones generate billions of credentials annually. Logs sold on markets carry session cookies that bypass MFA. Defense requires treating browsers as security boundaries.

CVSS Is Lying to Your Vulnerability Management Program

Threat Intelligence · 7 min

There are over 220,000 CVEs published. Roughly 1,300 are in CISA's Known Exploited Vulnerabilities catalog. Prioritizing by CVSS alone means treating those two populations as equally urgent.

Sisense April 2024: Why CISA Issued an Emergency Directive

Threat Intelligence · 7 min

The Sisense breach in April 2024 prompted one of CISA's rare emergency directives to private sector customers. A practitioner look at what was exfiltrated, what customers had to rotate, and why this one was treated as a strategic threat.

China-Nexus APT Activity Has Moved Off the Network Edge

Threat Intelligence · 8 min

China-linked APT groups have largely shifted from exploiting network appliances to abusing edge devices and cloud identity. The detection model that worked in 2022 misses most of the activity in 2026.

Initial Access Broker Listings as a Defender's Reading List

Threat Intelligence · 7 min

Initial Access Brokers post detailed listings of compromised orgs on Russian forums, with prices that reveal what attackers value. Reading these listings is one of the highest-signal activities a defender can do.

3CX: The First Confirmed Double Supply Chain Attack

Threat Intelligence · 8 min

In March 2023, a trojanized 3CX desktop app was traced back to a separately trojanized Trading Technologies installer. A look at the cascade, the DPRK operators behind it, and what downstream customers had to triage.

SAML or OIDC: Stop Picking the One You Already Know

Cybersecurity · 7 min

SAML and OIDC solve overlapping problems with different tradeoffs. Picking the wrong one creates years of integration debt. Here's the technical comparison and the decision rules we use when architecting identity federation.

Your SIEM Says It Covers MITRE ATT&CK. It Probably Doesn't.

Cybersecurity · 7 min

Most security teams claim 60-70% ATT&CK coverage on their dashboards. When we audit those rules against actual sub-techniques, the real number is closer to 18%. Here's how the gap forms and what to do about it.

HTTP Parameter Pollution: Backend Splits That Pay Out

Cybersecurity · 9 min

Different stacks parse duplicate parameters differently. We map PHP, Java, .NET, Node, and Python behavior, walk through real auth bypasses, and show the gateway plus app combinations that hide the bug in plain sight.

Living-Off-the-Land Binaries (LOLBins) for Red Teams: A Working Operator Set

Cybersecurity · 12 min

LOLBins remain the most reliable post-exploitation surface on modern Windows. This guide gives a working operator set drawn from the LOLBAS project, covers detection-aware usage, and pairs each technique with the EDR telemetry it generates and the application control rule that kills it.

Physical Pentesting Tradecraft: Tailgating, Badge Cloning, USB Drops

Cybersecurity · 10 min

Physical pentesting is theatre with a payload. This guide covers tailgating choreography, badge cloning workflow under time pressure, and USB drop campaigns that yield real telemetry without leaving the team exposed. Includes the safety brief and the legal kit the operator carries.

C2 Framework Choices for Red Teams: Cobalt Strike, Sliver, Mythic, Havoc

Cybersecurity · 12 min

Picking a command and control framework is a strategic decision that affects detection, operator velocity, and report quality. This piece compares Cobalt Strike, Sliver, Mythic, and Havoc on real operational axes: protocol diversity, malleable profile depth, EDR evasion posture, and team collaboration.

OSINT for Red Teams: Org Mapping, Person Profiling, and Pretext Crafting

Cybersecurity · 11 min

Open source intelligence drives every successful red team. This piece walks through structured org mapping with Maltego and SpiderFoot, person profiling rules of engagement, and how to translate raw OSINT into a pretext that survives a five-minute conversation with a suspicious receptionist.

SDR Pentesting Primer: HackRF, RTL-SDR, and Replay-Capture Attacks

Cybersecurity · 10 min

Software defined radio turns every red team into a signal intelligence team. This primer walks through hardware choice, GQRX for survey work, Inspectrum and URH for demodulation, and the practical workflow for capturing and replaying garage door, key fob, and industrial telemetry signals during scoped engagements.

RFID and NFC Cloning for Red Teams: Proxmark3, Flipper Zero, and Card Choreography

Cybersecurity · 9 min

Badge cloning is still the fastest way through a building. This guide compares the Proxmark3 and Flipper Zero for low frequency and high frequency reads, covers HID iClass and MIFARE Classic attacks, and walks through the social choreography that turns a five-second brush past a target into a working clone.

Bluetooth and BLE Pentesting: GATT Enumeration, Sniffing, and Replay

Cybersecurity · 10 min

BLE devices have invaded the corporate perimeter through badges, locks, sensors, and meeting room peripherals. This guide covers GATT enumeration with gatttool and bleak, passive sniffing with Sniffle and btlejack, and how to spot pairing flaws that turn a smart lock into a replay-friendly toy.

Evil Twin and Captive Portal Phishing: Building a Real Rogue AP Lab

Cybersecurity · 10 min

Rogue AP attacks remain the highest yield wireless tradecraft, but most write-ups stop at hostapd. This guide builds a realistic captive portal lab with proper DHCP, DNS hijack, TLS-aware redirect, and a credential capture flow that mirrors what clients see on real corporate guest networks.

WiFi Pentesting in 2023: PMKID Attack, WPA2/3 Handshake Capture, Hashcat Cracking

Cybersecurity · 11 min

A working operator playbook for wireless network assessments. We walk through PMKID extraction with hcxdumptool, classic four-way handshake capture, WPA3 SAE downgrade tests, and how to drive hashcat with the right modes so that cracking runs hit GPU saturation without burning a week on bad wordlists.

SOC Metrics That Don't Lie: MTTD, MTTR, and Coverage Quality

Cybersecurity · 10 min

Most SOC dashboards report metrics that look impressive and mean nothing. MTTD and MTTR can be gamed in five minutes. Coverage percentages can be inflated with mapping tricks. A practical guide to metrics that survive scrutiny and reflect real capability.

Building a Purple Team Cadence: Red Tests, Blue Detections, Closed Gaps

Cybersecurity · 10 min

Annual red team engagements deliver a report that gets read once and shelved. A purple team cadence delivers continuous validation, closed coverage gaps, and a measurable detection improvement curve. Here is how to operate one without burning out either side.

Log Sources That Actually Matter for IR: A Prioritized List

Cybersecurity · 9 min

When the incident lands, the SOC discovers which log sources it actually needs. A prioritized list of telemetry that earns its retention cost during real incident response, ranked by frequency of investigative use rather than vendor enthusiasm.

SOAR Playbooks That Save Time vs the Ones That Eat It

Cybersecurity · 9 min

SOAR sells on the promise of automation, but most playbooks deployed in production add latency and complexity without reducing analyst load. The difference between a playbook that earns its keep and one that does not is mostly about scope discipline.

Threat Hunting Hypothesis-Driven: A Repeatable Hunt Loop

Threat Intelligence · 10 min

Hunting is not browsing dashboards until something looks weird. A repeatable hunt is hypothesis driven, time boxed, documented, and either becomes a detection or gets retired. Here is the loop that turns hunting from art to engineering.

SIEM Log Onboarding: Schema, Parsing, and Why Your Joins Are Slow

Cybersecurity · 11 min

Log onboarding is where most SOC programs quietly fail. Bad parsers create bad fields, bad fields kill detections, and bad joins make every hunt take three minutes when it should take three seconds. A practical guide to onboarding that scales.

MITRE ATT&CK Coverage Mapping: From Spreadsheet to Live Dashboard

Cybersecurity · 10 min

Static coverage spreadsheets are obsolete the moment they are saved. A live dashboard driven from rule metadata, telemetry availability, and atomic test results reflects what the SOC can actually detect today, not what it could detect last quarter.

Tuning Down Alert Noise: The 80/20 of False Positive Reduction

Cybersecurity · 9 min

Most SOCs do not have a detection problem, they have a tuning problem. A small number of rules generate the majority of false positives, and a small number of well placed exclusions cut analyst workload in half. Here is the practical playbook.

Patch Management That Scales: Risk Scoring, KEV, and Bake Time

Cybersecurity · 9 min

Patching everything within seven days of disclosure is a policy that exists on paper at most organizations and fails in practice at all of them. Real patch management combines exploitability scoring, the CISA KEV catalog, and a deliberate bake time to keep urgency proportional to risk without inducing rollback fatigue.

Production Secrets Management: Vault, AWS Secrets Manager, Per-Pod Tokens

Cybersecurity · 10 min

A database password in a Kubernetes secret manifest, base64 encoded, sitting in a git repo, is the configuration we still find in audits in 2023. Real secrets management means short-lived credentials, per-pod identity, and a clear story for rotation. We walk through Vault, AWS Secrets Manager, and the patterns that actually work in production.

Securing GitHub Actions: OIDC, Pinned Actions, and Reusable Workflows

Digital Engineering · 9 min

GitHub Actions is now the build system for most of the software industry, which makes it one of the most valuable supply chain targets in existence. We walk through the three patterns that actually move the security needle: OIDC for cloud access, SHA-pinned actions, and reusable workflows that centralize policy.

Container Image Hardening: Distroless, Wolfi, and Chainguard Patterns

Cybersecurity · 9 min

A standard Ubuntu base image ships with around four hundred packages. Your application needs about twelve of them. Everything else is attack surface, CVE noise, and patch cycle overhead. We walk through the modern minimal-image patterns with Distroless, Wolfi, and the Chainguard Images catalog.

SAST vs DAST vs IAST: Choosing the Right Mix for Your Pipeline

Cybersecurity · 10 min

Static, dynamic, and interactive application security testing each find different bugs and miss different bugs. The right mix depends on the language, the deployment model, and the engineering culture. We unpack what each tool actually does well, where the marketing claims fall apart, and which combinations are worth the build minutes.

Secret Scanning in CI: TruffleHog, Gitleaks, and Pre-Commit Strategies

Cybersecurity · 9 min

Every secret scanner finds two kinds of things, false positives and the AWS key your engineer pasted into a Jupyter notebook three years ago. The challenge is wiring the scanner into the workflow so that real leaks get caught at commit time, not after the rotation cost has already been incurred.

Dependency Confusion Attacks: How They Work and How to Prevent Them

Cybersecurity · 9 min

Dependency confusion is the supply chain attack that keeps working because most package managers prefer the highest version number across all configured registries. We unpack the mechanics, walk through the famous 2021 research, and lay out the defenses that actually hold up in production.

Sigstore Cosign for Container Images: Signing Without Long-Lived Keys

Digital Engineering · 9 min

Long-lived signing keys rotate badly, leak quietly, and get stored in CI secrets that everyone has access to. Sigstore Cosign with keyless signing solves the key management problem by binding signatures to short-lived OIDC identities and a public transparency log. Here is how to wire it up.

SLSA Levels Explained: Build Provenance from Level 1 to 4

Digital Engineering · 9 min

SLSA is the framework that turns build pipelines from convenient automation into auditable supply chain controls. We walk through what each level actually requires, what it costs to implement, and which level is realistic for most teams within a single quarter of focused work.

SBOM in Practice: Generating, Signing, and Consuming SPDX/CycloneDX

Cybersecurity · 10 min

An SBOM is not a compliance artifact you upload once and forget. It is a live inventory that must be generated at build, signed by the producer, and consumed by every downstream team that cares about exploitability. We walk through the workflow with Syft, Grype, and Cosign.

Agentic AI Audit Logs: What to Capture and How to Replay

Agentic AI · 10 min

When an agent does something wrong, can you reconstruct why. We define the audit log schema that makes agentic incidents debuggable, the storage choices that keep cost sane, and the replay pattern that turns logs into a true investigation tool.

AI Agent Identity: Why Agents Need Service Accounts Too

Agentic AI · 9 min

Agents that act on behalf of users still need their own identity. We explain why impersonation breaks audit and authorization, and how to design agent service accounts with delegated scopes, short lived tokens, and clear accountability.

LLM Prompt Injection Defense Patterns That Actually Work

AI Security · 11 min

Prompt injection cannot be solved, but it can be contained. We catalog the defense patterns that hold up in production, structured prompting, dual model checks, output schema enforcement, and capability isolation, with notes on where each one breaks.

Agent Tool Use Security: Sandboxing, Allow-Lists, and Action Audits

Agentic AI · 10 min

When an agent gets tools, it gets agency. We cover the three controls that keep tool using agents in their lane, sandboxed execution, explicit allow lists scoped to identity and context, and action audits that an incident responder can actually replay.

OWASP LLM Top 10: A Field Guide for Builders

AI Security · 11 min

The OWASP LLM Top 10 is not a checklist, it is a map of the failure modes teams keep rediscovering. We translate LLM01 through LLM10 into concrete controls, code patterns, and review questions that builders can apply to their stack before the first user prompt lands.

Bug Bounty Severity Calibration: CVSS 3.1 in the Real World

Cybersecurity · 9 min

CVSS is imperfect, but it is the language programs speak. The trick is using it to justify your severity without overreaching. Here is how to set each metric honestly, when to push back on triage, and the recurring vectors for common bug classes.

Testing AI Features for Bug Bounty: Chatbots, RAG, and Tool Use

AI Security · 11 min

AI features are a new attack surface and most programs are still figuring out scope. Here is the practical hunter's guide to chatbots, retrieval-augmented generation, and tool-use agents, with the OWASP LLM Top 10 patterns that map to real payouts.

XSS to Account Takeover: Cookies, localStorage, CSP Bypasses

Cybersecurity · 10 min

Modern apps store sessions in cookies, tokens in localStorage, and trust a Content Security Policy to stop XSS from being catastrophic. Here is how to demonstrate full account takeover from an XSS, and how to bypass the CSPs that look strict on paper.

Open Redirect to OAuth Token Theft: A Real-World Chain Walkthrough

Cybersecurity · 10 min

Open redirects are routinely closed as informational. Pair one with an OAuth flow that trusts the redirect_uri prefix, and you have a one-click account takeover. Here is the chain end to end, with the bypass tables triagers will respect.

Bug Chaining: IDOR + Auth Bypass + SSRF to Full Account Compromise

Cybersecurity · 11 min

Individually, three medium bugs get medium bounties. Chained, they become a critical that takes over the platform. This is a walkthrough of a real-shape chain, IDOR plus auth bypass plus SSRF, and the reporting structure that captures full impact.

PoC Quality: Reliable, Minimal, and No-Side-Effects Proofs

Cybersecurity · 8 min

A proof of concept that deletes data, spams users, or only works once on a Tuesday will get your report closed and your researcher reputation dented. The goal is reliable, minimal, reversible. Here is how to build PoCs that triagers love.

Writing Bug Bounty Reports That Get Paid: Structure, PoC, Impact

Cybersecurity · 9 min

The difference between a triaged report and a rejected one is rarely the bug. It is the writing. Here is the structure that gets you paid: clear title, minimal PoC, business impact, and a remediation that the engineer can ship on Monday.

Triage Psychology: How Triagers Read Your Report

Cybersecurity · 8 min

Triagers see hundreds of reports a week. The ones they accept fast, calibrate high, and remember fondly all share patterns. Learn how triagers think, what they skip, and how to write so your report lands right.

Intigriti and YesWeHack: European Programs Worth Hunting

Cybersecurity · 8 min

European platforms run differently from the US giants. Intigriti and YesWeHack have unique scope styles, payout patterns, and triage cultures. Learn how to fit in, what to expect, and where the soft targets sit.

Subdomain Takeover Hunting: Provider Fingerprints and Race Conditions

Cybersecurity · 9 min

Subdomain takeovers are still abundant because cloud retirement is messy. This guide covers provider fingerprints that flag candidates, the can-i-take-over-xyz workflow, race conditions during provider migrations, and how to demonstrate impact responsibly.

SAML Attacks for Bug Hunters: XSW, Comment Injection, Replay

Cybersecurity · 10 min

SAML SSO is bounty gold because the spec is sprawling and signature validation is hard to do right. This piece walks through XML Signature Wrapping, comment injection in NameIDs, replay weaknesses, and how to demonstrate cross-tenant impact safely.

OAuth Flaws in Bug Bounty: redirect_uri, state, scope, PKCE Misuse

Cybersecurity · 10 min

OAuth flows are everywhere and almost every implementation has at least one rough edge. This guide covers the redirect_uri validators, missing state, scope upgrade, and PKCE misuse patterns that lead to account takeover across real bounty programs.

Self-XSS to ATO: Login CSRF, Cookie Bombing, and Stored Pivots

Cybersecurity · 9 min

Self-XSS is dismissed as noise, but with login CSRF and cookie bombing it turns into account takeover on real targets. This guide chains the parts: force the victim into your session, fire the self-XSS, escalate to stored, exfiltrate, and pivot back to their account.

SSRF Chain Tricks: Filter Bypasses to Cloud Metadata to RCE

Cybersecurity · 11 min

Server-Side Request Forgery is a doorway, not a destination. This guide walks through filter bypasses, redirect chains, DNS rebinding, and the metadata pivots that turn a blind SSRF into cloud credential theft and remote code execution.

Finding IDORs That Pay: Patterns, Predictable IDs, Multi-Tenant Leaks

Cybersecurity · 10 min

IDORs still dominate bounty payouts because tenancy checks lag behind feature velocity. This guide maps the patterns that surface real money, from predictable integer IDs to UUID leakage in webhooks, and shows the heuristics that turn a tester into a hunter.

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