Best Security & Hardening GitHub Repositories

Cloud native networking and network security

SQLCipher is a standalone fork of SQLite that adds 256 bit AES encryption of database files and other security features.

The slightly more awesome standard unix password manager for teams

Static analysis for GitHub Actions

Light LDAP implementation

syzkaller is an unsupervised coverage-guided kernel fuzzer

Cloud-native SIEM for intelligent security analytics for your entire enterprise.

Rules engine for cloud security, cost optimization, and governance, DSL in yaml for policies to query, filter, and take actions on resources

The most comprehensive Claude Code guide: agentic workflows, hooks, skills, MCP servers, quizzes, and production-ready templates. 430K+ lines.

A high performance and flexible authorization/permission engine built for developers and inspired by Google Zanzibar

Cerbos is an open-core authorization management platform for authorizing every identity and governing every action across applications, gateways, workloads, and AI agents.

The Python Risk Identification Tool for generative AI (PyRIT) is an open source framework built to empower security professionals and engineers to proactively identify risks in generative AI systems.

An OOB interaction gathering server and client library

Dependency-Track is an intelligent Component Analysis platform that allows organizations to identify and reduce risk in the software supply chain.

agent runtime security - zero trust, zero setup, zero latency.

🛡 I2P: End-to-End encrypted and anonymous Internet

A Web app to manage your Two-Factor Authentication (2FA) accounts and generate their security codes

OWASP Coraza WAF is a golang modsecurity compatible web application firewall library

A WiFi security auditing software

Free Windows, Mac and Linux cleaner, scanner, and more.