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A case study from an autonomous AI pentest run by KLUE. Eleven confirmed findings in just over an hour, including a blind SQL injection that led to full database takeover. A practitioner walkthrough of the discoveries, the methodology, and the takeaways.

Blockchain fundamentals for security engineers covering cryptographic primitives, block structure, consensus (PoW/PoS), Web3 tooling, transaction anatomy, and core Web3 security concepts.

A practical JWT security guide covering what JWT is, common JWT vulnerabilities, JWT attacks, exploit techniques, and defensive best practices for developers, pentesters, and API security teams.

Complete API pentesting checklist with OWASP API Top 10 (2023), BOLA/IDOR tests, JWT and OAuth checks, GraphQL security testing, SSRF payloads, business logic abuse scenarios, and reporting guidance.

Fix the Kali Linux black screen blinking cursor on boot in VMware or VirtualBox. Switch to a TTY, run startx, and get the desktop back fast.