#security

Awesome Privacy

Curated list of privacy-respecting services and software. Alternatives to Big Tech that respect your data.

Schneier on Security

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

Phrack Magazine

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

Privacy Tools

Services, tools and knowledge to protect your privacy. Curated recommendations for privacy-respecting software.

Have I Been Pwned

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

VirusTotal

Analyze files and URLs for malware. Scans with 70+ antivirus engines and URL/domain blocklists.

Moxie Marlinspike

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

Filippo Valsorda

Cryptographer, Go security lead. Creator of mkcert. Deep technical posts on cryptography and security.

Krebs on Security

Brian Krebs' investigative reporting on cybercrime. Breaking security news and deep dives into hacking incidents.

A Few Thoughts on Cryptographic Engineering

Matthew Green's blog on cryptography and security. Accessible explanations of complex crypto topics.

Awesome Security

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

Awesome Hacking

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

SSL Labs

Test SSL/TLS configuration of any website. Industry standard for SSL analysis.

Security Headers

Analyze HTTP security headers of any website. Quick security audit.

Exploit Database

Archive of public exploits and vulnerable software. Essential resource for security researchers and penetration testers.

HackTricks

Massive wiki of hacking techniques for CTFs and pentesting. Privilege escalation, web attacks, and more.

Shodan

Search engine for Internet-connected devices. See what's exposed on the internet. Essential for security researchers.

conduition

Deep technical reverse engineering posts. Famous for breaking down Ticketmaster's rotating barcode system.

mango.pdf.zone

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

OverTheWire Wargames

Learn security through challenges. SSH-based hacking games.

Cryptopals

Learn cryptography by breaking it. Programming challenges teaching crypto.

pwn.college

Cybersecurity education platform. CTF-style learning from ASU.

TryHackMe

Learn cybersecurity through hands-on exercises. Guided hacking rooms.

Mullvad VPN

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

lcamtuf's blog

Deep dives into electronics, retrocomputing, and security from the creator of AFL fuzzer.

Surveillance Self-Defense

EFF's guide to protecting yourself from surveillance. Practical security for activists and everyone.

Privacy Guides

Community-driven resource for privacy and security tools. Transparent recommendations, no affiliate links.