
awesome-osint
😱 A curated list of amazingly awesome OSINT

😱 A curated list of amazingly awesome OSINT

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

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

The OWASP Cheat Sheet Series was created to provide a concise collection of high value information on specific application security topics.

Open source templates you can use to bootstrap your security programs

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

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

YC (S26) | Open Computer History | Continuously record your company computer work, map your workflows, help you find work worth automating, and power…

Security training for the apps you actually ship. Open your browser and start hacking.

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

Defund the Police.


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

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

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

Centralized YAML-based knowledge base linking MITRE CWE, OWASP Top10, ASVS, and other security standards with versioned references. Includes MkDocs…

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