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Lynis - Security auditing tool for Linux, macOS, and UNIX-based systems. Assists with compliance testing (HIPAA/ISO27001/PCI DSS) and system hardening. Agentless, and installation optional.
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine developed by the OISF and the Suricata community.
Daemon to ban hosts that cause multiple authentication errors
A collection of awesome software, libraries, documents, books, resources and cools stuffs about security.
🦄 A curated list of privacy & security-focused software and services
an awesome list of honeypot resources
Live validation proxy tool for testing web app vulnerabilities
Experience email the way you want with Mail0 – the first open source email app that puts your privacy and safety first. Join the discord: https://mail0.link/discord
This repository contains a 90-day cybersecurity study plan, along with resources and materials for learning various cybersecurity concepts and technologies. The plan is organized into daily tasks, …
ConfigServer Security & Firewall (CSF) - Robust linux iptables/nftables firewall & free ipset blocklist service.
Nuclei is a fast, customizable vulnerability scanner powered by the global security community and built on a simple YAML-based DSL, enabling collaboration to tackle trending vulnerabilities on the …
Zeek is a powerful network analysis framework that is much different from the typical IDS you may know.
Wazuh - The Open Source Security Platform. Unified XDR and SIEM protection for endpoints and cloud workloads.
🎓 Because Education should be free. Contributions welcome! 🕵️
An evolving how-to guide for securing a Linux server.
Web-based Traffic and Security Network Traffic Monitoring
Source code for Hacker101.com - a free online web and mobile security class.
Tools and Techniques for Blue Team / Incident Response