security
Cybersecurity (security) includes controlling physical access to hardware as well as protection from attacks that come via network access, data injection, and code injection.
Repositories (1486)
A collection of inspiring lists, manuals, cheatsheets, blogs, hacks, one-liners, cli/web tools and more.
A collection of various awesome lists for hackers, pentesters and security researchers
List of Computer Science courses with video lectures.
A list of useful payloads and bypass for Web Application Security and Pentest/CTF
Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS
Open-source AI penetration testing tool to find and fix your app’s vulnerabilities.
An open-source user mode debugger for Windows. Optimized for reverse engineering and malware analysis.
Shannon is an AI pentester for web applications and APIs. It analyzes your source code, identifies attack vectors, and executes real exploits to prove...
An interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers.
Comfortably monitor your network traffic 🕵️♂️
Opiniated RAG for integrating GenAI in your apps 🧠 Focus on your product rather than the RAG. Easy integration in existing products with customisat...
Find vulnerabilities, misconfigurations, secrets, SBOM in containers, Kubernetes, code repositories, clouds and more
🕵️♂️ All-in-one OSINT tool for analysing any website
The OWASP Cheat Sheet Series was created to provide a concise collection of high value information on specific application security topics.
The official NGINX Open Source repository.
🔒 Consolidating and extending hosts files from several well-curated sources. Optionally pick extensions for porn, social media, and other categories.
Nuclei is a fast, customizable vulnerability scanner powered by the global security community and built on a simple YAML-based DSL, enabling collabora...
Set up a personal VPN in the cloud
An evolving how-to guide for securing a Linux server.
Proxmox VE Helper-Scripts (Community Edition)
Infisical is the open-source platform for secrets, certificates, and privileged access management.
Find secrets with Gitleaks 🔑
817 structured cybersecurity skills for AI agents · Mapped to 6 frameworks: MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, D3FEND, NIST AI RMF & MITRE F3 (F...
The Single Sign-On Multi-Factor portal for web apps, now OpenID Certified™
KeePassXC is a cross-platform community-driven port of the Windows application “KeePass Password Safe”.
Set up your own IPsec VPN server in just a few minutes, with IPsec/L2TP, Cisco IPsec and IKEv2. Supports Ubuntu, Debian, CentOS/RHEL, Alpine Linux and...
⚙️ NGINX config generator on steroids 💉
Find, verify, and analyze leaked credentials
OpenZeppelin Contracts is a library for secure smart contract development.
eBPF-based Networking, Security, and Observability
The authentication glue you need.
UNIX-like reverse engineering framework and command-line toolset
API, CLI, and Web App for analyzing and finding a person's profile in 1000 social media \ websites
SQL powered operating system instrumentation, monitoring, and analytics.
Slim(toolkit): Don't change anything in your container image and minify it by up to 30x (and for compiled languages even more) making it secure too! (...
Checklist of the most important security countermeasures when designing, testing, and releasing your API
Simple and flexible tool for managing secrets
Community guide to securing and improving privacy on macOS.
SafeLine is a self-hosted WAF(Web Application Firewall) / reverse proxy to protect your web apps from attacks and exploits.
🔒 A compiled checklist of 300+ tips for protecting digital security and privacy in 2026
Empowering People Ethically 🚀 — Matomo is hiring! Join us → https://matomo.org/jobs Matomo is the leading open-source alternative to Google Analytics...
Weighs the soul of incoming HTTP requests to stop AI crawlers
🚀 An open and lightweight modification to Windows, designed to optimize performance, privacy and usability.
Manage your dotfiles across multiple diverse machines, securely.
Security Guide for Developers
The easiest, and most secure way to access and protect all of your infrastructure.
🤖 The Modern Port Scanner 🤖
The Swiss Army knife for 802.11, BLE, HID, CAN-bus, IPv4 and IPv6 networks reconnaissance and MITM attacks.
open-source agentic AI data assistant for the next generation of AI + Data products.
Free and Open Source Reverse Engineering Platform powered by rizin