Privacy Tools

Bruce Schneier's security blog. Cryptographer and security expert writing since 2004.

Check if your email or phone was in a data breach. Free service by Troy Hunt, essential for security awareness.

Founder of Signal. Writing on cryptography, privacy, security, and the intersection of technology and society.

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

Privacy-focused VPN that accepts cash by mail. No accounts, no email required, just anonymous access.

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