TryHackMe

Learn security through challenges. SSH-based hacking games.

Learn cryptography by breaking it. Programming challenges teaching crypto.

Curated list of hacking resources. CTFs, tutorials, tools, and learning paths.

The legendary hacker ezine since 1985. Technical articles on security, exploitation, and hacker culture. Issue 72 in 2025.

Collection of security resources. Tools, books, and resources for security professionals.

Security researcher Alex Hope. Famous for finding Tony Abbott's passport number on Instagram.