Best Security & Hardening GitHub Repositories

The ZAP by Checkmarx Core project

Independent Auditing of AI Agents. Run by human or the agent itself, to answer the most crucial question in the AI Agent Economy. Is the agent doing what is supposed to do? With iFixAi you can have this answer in less than 120 seconds.

Capturing SSL/TLS plaintext without a CA certificate using eBPF. Supported on Linux/Android kernels for amd64/arm64.

Open-source IDS/IPS, WAF and bot detection for Linux, Windows, Docker and Kubernetes, with a crowdsourced blocklist of malicious IPs.

A lightweight, cryptography-powered, open-source toolkit built to enforce Zero Trust security for infrastructure, applications, and data in the AI-driven world.

All parts of Claude Code's system prompt, 27 builtin tool descriptions, sub agent prompts (Plan/Explore/Task), utility prompts (CLAUDE.md, compact, statusline, magic docs, WebFetch, Bash cmd, security review, agent creation). Updated for each Claude Code version.

Agent-less vulnerability scanner for Linux, FreeBSD, Container, WordPress, Programming language libraries, Network devices

The best IP Toolbox. Check your IP address & geolocation, test IP for WebRTC and DNS IP leaks, run an IP quality check, browser fingerprint check, website availability check, network speed test, global latency test, MTR test, Whois search, and more.

Apereo CAS - Identity & Single Sign On for all earthlings and beyond.

Vulnerability scanner written in Go which uses the data provided by https://osv.dev

A Rust port of shadowsocks

Low code web framework for real world applications, in Python and Javascript

A collection of android security related resources

Cloud Native Runtime Security

⏰ Agenticly track ccf-ranked & worldwide conference deadlines (Website, Python Cli, Wechat Applet)

Prevent cloud misconfigurations and find vulnerabilities during build-time in infrastructure as code, container images and open source packages with Checkov by Bridgecrew.

Malicious traffic detection system

🧱 easy fast branchable microVM runtime and library for any workload

Web-based Traffic and Cybersecurity Network Traffic Monitoring

Cloud native networking and network security