Practical articles on AI, DevOps, Cloud, Linux, and infrastructure engineering.
A practical guide to scoping GitHub Actions secrets correctly, avoiding leaks in logs, blocking fork-PR theft, and preferring OIDC over stored keys.
A lightweight, whiteboard-friendly way to find design-level security flaws that scanners miss, using STRIDE, data-flow diagrams, and four plain questions.
A likelihood-ordered checklist for tracing "Permission denied" on Linux through mode bits, ownership, ACLs, SELinux, and mount options.
A practical walkthrough of the HTTP response headers that harden a web app, with a real rollout plan for Content-Security-Policy.
Most breaches come from the same short list of application bugs. This is the map: the vulnerabilities that actually get exploited and how to shut each one down.
A practical look at how SCA scanning finds vulnerable dependencies, cuts CVE noise, and where SAST, DAST, and IAST fit into CI/CD.
A practical guide to hashing passwords, adding MFA, hardening sessions, and avoiding the JWT mistakes that break production auth.
Most API breaches aren't exotic exploits. They're missing authorization checks on endpoints that already require a login and a valid token.
A practical guide to defending against CSRF with SameSite cookies, synchronizer tokens, and double-submit, plus knowing when you don't need any of it.
A practical guide to stopping SQL injection with parameterized queries, ORM safety, least privilege, and layered defenses that actually hold up.
A working engineer's tour of the OWASP Top 10, each risk paired with the concrete fix that actually closes it in production.
A practical guide to stopping XSS through contextual output encoding, framework escaping, sanitization, CSP, and Trusted Types.
