
BLT
Monorepo of OWASP Bug Logging Tool projects: crowd-sourced vulnerability reporting, bug bounty workflows, CVE namespace, autopatching, and security…

Monorepo of OWASP Bug Logging Tool projects: crowd-sourced vulnerability reporting, bug bounty workflows, CVE namespace, autopatching, and security…

Open source browser lab to build a simulated infrastructure, watch an attack move through it, and check whether your defense works.

Interactive secure coding training with hands-on SCORM exercises covering OWASP Top 10 web and API vulnerabilities, Git/secrets exposure, and…

Open-source cybersecurity knowledge base with 400+ notes, labs, and cheat sheets covering offense, defense, cryptography, cloud, and forensics.

😱 A curated list of amazingly awesome OSINT

Open source templates you can use to bootstrap your security programs

Curated collection of 200+ cybersecurity interview questions and answers covering Red Team, Blue Team, Web Security, Incident Response, and network…

Curated collection of cybersecurity learning resources, CTF writeups, research papers, and practical labs for hands-on skill development across web…

A free, open-source cybersecurity app for non techy people.

Comprehensive open-source book on SELinux covering kernel components, userspace libraries, policy toolchain, and policy language. Includes build…

Defund the Police.

The Web Security Testing Guide is a comprehensive Open Source guide to testing the security of web applications and web services.