Cybersecurity is the protection of computer hardware, software, and data from theft, damage, and malicious intent.
There are 22,946 repositories under security topic.
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
Fast, multi-platform web server with automatic HTTPS
An open-source x64/x32 debugger for windows.
A list of useful payloads and bypass for Web Application Security and Pentest/CTF
List of Computer Science courses with video lectures.
An interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers.
Set up a personal VPN in the cloud
🔒 Consolidating and extending hosts files from several well-curated sources. Optionally pick extensions for porn, social media, and other categories.
The OWASP Cheat Sheet Series was created to provide a concise collection of high value information on specific application security topics.
Security Guide for Developers (实用性开发人员安全须知)
Guide to securing and improving privacy on macOS
SQL powered operating system instrumentation, monitoring, and analytics.
Scripts to build your own IPsec VPN server, with IPsec/L2TP, Cisco IPsec and IKEv2
⚙️ NGINX config generator on steroids 💉
OpenZeppelin Contracts is a library for secure smart contract development.
Checklist of the most important security countermeasures when designing, testing, and releasing your API
Liberating Web Analytics. Star us on Github? +1. Matomo is the leading open alternative to Google Analytics that gives you full control over your data. Matomo lets you easily collect data from websites & apps and visualise this data and extract insights. Privacy is built-in. We love Pull Requests!
UNIX-like reverse engineering framework and command-line toolset
DockerSlim (docker-slim): Don't change anything in your Docker container image and minify it by up to 30x (and for compiled languages even more) making it secure too! (free and open source)
The Single Sign-On Multi-Factor portal for web apps
KeePassXC is a cross-platform community-driven port of the Windows application “Keepass Password Safe”.
How to improve NGINX performance, security, and other important things.
OpenID Certified™ OpenID Connect and OAuth Provider written in Go - cloud native, security-first, open source API security for your infrastructure. SDKs for any language. Works with Hardware Security Modules. Compatible with MITREid.
Source code for Hacker101.com - a free online web and mobile security class.
An evolving how-to guide for securing a Linux server.
Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.
eBPF-based Networking, Security, and Observability
Scanner for vulnerabilities in container images, file systems, and Git repositories, as well as for configuration issues and hard-coded secrets
Certificate authority and access plane for SSH, Kubernetes, web apps, databases and desktops
Free and Open Source Reverse Engineering Platform powered by rizin
The Swiss Army knife for 802.11, BLE, IPv4 and IPv6 networks reconnaissance and MITM attacks.
Free cross-platform password manager compatible with KeePass
The Rogue Access Point Framework
This is a collection of tutorials for learning how to use Docker with various tools. Contributions welcome.