Cybersecurity involves protecting systems, networks, and data from cyber threats. This field encompasses a wide range of practices and technologies designed to safeguard information from unauthorized access, attacks, damage, or theft. Cybersecurity includes preventive measures such as firewalls, encryption, and secure coding practices, as well as detection and response strategies like intrusion detection systems and incident response plans. This topic covers the principles, best practices, and latest trends in cybersecurity, including emerging threats and the evolving landscape of cyber defense.
🔒 A compiled checklist of 300+ tips for protecting digital security and privacy in 2026
Open Cyber Threat Intelligence Platform
Berty is a secure peer-to-peer messaging app that works with or without internet access, cellular data or trust in the network
Open-source tool to enforce privacy & security best-practices on Windows, macOS and Linux, because privacy is sexy
RedEye is a visual analytic tool supporting Red & Blue Team operations
Web app that provides basic navigation and annotation of ATT&CK matrices
Metlo is an open-source API security platform.
Complete Solution for VAPT/AppSec and Pentesting Guide: Web | Mobile | API | Thick Client | Source Code Review | DevSecOps | Wireless | Network Pentesting | SAST | DAST etc...
Unlocking the Full Potential of OPC UA with Typescript and NodeJS - http://node-opcua.github.io/
LunaSec - Dependency Security Scanner that automatically notifies you about vulnerabilities like Log4Shell or node-ipc in your Pull Requests and Builds. Protect yourself in 30 seconds with the LunaTrace GitHub App: https://github.com/marketplace/lunatrace-by-lunasec/
Voluntary Ukraine security platform to protect us from Russian forces in the Internet
AI-powered offensive security agent with 7,300+ actionable security skills. Autonomous pentesting powered by MITRE ATT&CK (2,000+ Atomic tests), CIS Benchmarks (1,500+ controls), OWASP, NIST. Lazy-loading, zero context pollution. Your AI red team.
Pentest Copilot is an AI-powered browser based ethical hacking assistant tool designed to streamline pentesting workflows.
Attack Flow helps executives, SOC managers, and defenders easily understand how attackers compose ATT&CK techniques into attacks by developing a representation of attack flows, modeling attack flows for a small corpus of incidents, and creating visualization tools to display attack flows.
Open Source Cloud Security
MCP for Security: A collection of Model Context Protocol servers for popular security tools like SQLMap, FFUF, NMAP, Masscan and more. Integrate security testing and penetration testing into AI workflows.
🛡️ The missing GraphQL security security layer for Apollo GraphQL and Yoga / Envelop servers 🛡️
渗透测试Payload速查平台 | Pentest Payload Quick Reference | XSS/SQLi/SSRF/RCE | React+TypeScript
External monitoring for organization assets
The AI Agent for Cyber Security.
Created by The cybersecurity community