Plain-English ebooks on how real attacks work and how to stop them. Every topic starts with a free guide.
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How real AI systems break, from chatbots to agents with tools, and how to assess and defend them. Built on the OWASP Top 10 for LLM Applications.
Start free: AI Security, Explained, 7 pages
How Active Directory gets attacked, from Kerberoasting to forgotten service accounts, and how to lock each path down.
Start free: Active Directory, Explained, 7 pages
x86-64 assembly, the stack and ELF files, explained from zero, with a quiz at the end of every chapter.
Start free: The reverse engineering cheat sheet, 3 pages
A Notion workspace for CTF and pentest practice: machines, session logs, findings and credentials in one place.
Your exact SPF, DKIM and DMARC records, written for your provider, with a week by week rollout you apply yourself.