Most popular security repositories and open source projects

Cybersecurity (security) includes controlling physical access to hardware as well as protection from attacks that come via network access, data injection, and code injection.

x64dbg

An open-source x64/x32 debugger for windows.

Awesome-Hacking

A collection of various awesome lists for hackers, pentesters and secu...

macOS-Security-and-Privacy-Guide

Guide to securing and improving privacy on macOS

osquery

SQL powered operating system instrumentation, monitoring, and analytic...

cs-video-courses

List of Computer Science courses with video lectures.

mitmproxy

An interactive TLS-capable intercepting HTTP proxy for penetration tes...

API-Security-Checklist

Checklist of the most important security countermeasures when designin...

hacker101

Hacker101

algo

Set up a personal VPN in the cloud

radare2

unix-like reverse engineering framework and commandline tools

Mailpile

A free & open modern, fast email client with user-friendly encryption...

setup-ipsec-vpn

Scripts to build your own IPsec VPN server, with IPsec/L2TP and Cisco...

keeweb

Free cross-platform password manager compatible with KeePass

wifiphisher

The Rogue Access Point Framework

teleport

Privileged access management for elastic infrastructure.

routersploit

Exploitation Framework for Embedded Devices

labs

This is a collection of tutorials for learning how to use Docker with...

vuls

Agent-less vulnerability scanner for Linux, FreeBSD, Container Image,...

openzeppelin-contracts

OpenZeppelin Contracts is a library for secure smart contract developm...

brakeman

A static analysis security vulnerability scanner for Ruby on Rails app...

helmet

Help secure Express apps with various HTTP headers

system-bus-radio

Transmits AM radio on computers without radio transmitting hardware.

hydra

OAuth2 Server and OpenID Certified™ OpenID Connect Provider written in...

graylog2-server

Free and open source log management

gitleaks

Audit git repos for secrets 🔑

KeychainAccess

Simple Swift wrapper for Keychain that works on iOS, watchOS, tvOS and...

security-101-for-saas-startups

security tips for startups

awesome-security

A collection of awesome software, libraries, documents, books, resourc...

wpscan

WPScan is a free, for non-commercial use, black box WordPress vulnerab...

fail2ban

Daemon to ban hosts that cause multiple authentication errors

test-your-sysadmin-skills

A collection of Linux Sysadmin Test Questions and Answers. Test your k...

tink

Tink is a multi-language, cross-platform, open source library that pro...

the-book-of-secret-knowledge

A collection of inspiring lists, manuals, cheatsheets, blogs, hacks, o...

nginxconfig.io

⚙️ NGiИX config generator on steroids 💉

cutter

Free and Open Source Reverse Engineering Platform powered by radare2

the-practical-linux-hardening-guide

This guide details creating a secure Linux production system. OpenSCAP...

nginx-admins-handbook

How to improve NGINX performance, security, and other important things...

How-To-Secure-A-Linux-Server

An evolving how-to guide for securing a Linux server.

zaproxy

The OWASP ZAP core project

security-guide-for-developers

Security Guide for Developers (实用性开发人员安全须知)

CheatSheetSeries

The OWASP Cheat Sheet Series was created to provide a concise collecti...

PayloadsAllTheThings

A list of useful payloads and bypass for Web Application Security and...

hosts

Extending and consolidating hosts files from several well-curated sour...

caddy

Fast, cross-platform HTTP/2 web server with automatic HTTPS