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

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

Collection of methodology and test case for various web vulnerabilities.

Athena OS is a Arch/Nix-based distro focused on Cybersecurity. Learn, practice and enjoy with any hacking tool!

Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.

Structured online cybersecurity curriculum for educators, providing ready-to-use activities and resources to teach teens (13-18) about security…

Curated collection of wordlists for security assessments, including usernames, passwords, URLs, fuzzing payloads, and sensitive data patterns for…

Community-maintained Markdown knowledge base covering cybersecurity foundations, offensive and defensive practice, governance, threat intelligence,…

A collection of challenge based hack-a-thons including student guide, coach guide, lecture presentations, sample/instructional code and templates. …

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

Reproduce DeFi hacked incidents using Foundry.

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

A curated list of cybersecurity tools and resources.

A curated list of AI Security materials and resources for Pentesters, Bug Hunters, and Security Researchers.

A Framework for Integrating Application Security into Software Engineering (FIASSE) using the Securable Software Engineering Model (SSEM)

A repository of KQL queries focused on threat hunting and threat detecting for Microsoft Sentinel & Microsoft XDR (Former Microsoft 365 Defender).

Atomic web vulnerability labs. One OWASP flaw per app — minimal Flask + Docker, intentionally broken for hands-on study with Burp Suite.

Browser-based Merkle tree demo — build a tree, generate inclusion proofs, recompute the root hash by hash, and replay the RFC 6962 second-preimage…

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