💻🛡️ A curated collection of awesome resources, tools, and other shiny things for cybersecurity blue teams.
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Jul 15, 2024
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defensive-security
Here are 767 public repositories matching this topic...
A huge chunk of my personal notes since I started playing CTFs and working as a Red Teamer.
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Sep 19, 2026
A curated list of tools officially presented at Black Hat events
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Jul 21, 2026
Open-source attack surface management and authorized security automation platform for asset discovery, service probing, scan orchestration, and security result management.
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Sep 6, 2026 - TypeScript
⚡ Blitz Strike — a universal MCP penetration-testing toolbelt. Structured methodology: reconnaissance & attack-surface mapping, source-to-sink analysis, and live validation. 57 escalation chains, 130-tool catalog, intelligence data layer. One server, every agent.
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Sep 19, 2026 - TypeScript
Anti-forensic macOS tray application designed to safeguard your system by monitoring USB ports.
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Feb 10, 2025 - Python
DejaVU - Open Source Deception Framework
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Aug 2, 2025 - PHP
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Feb 9, 2020 - PowerShell
Tools & Resources for Cyber Security Operations
incident-response hacking resources infosec bugbounty offensive-security infosec-reference defensive-security pentest-tools penetration-testing-tools bugbounty-tool infosectools
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Aug 22, 2026 - HTML
PowerShell scripts for communicating with a remote host.
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Aug 10, 2026 - PowerShell
Welcome Cybersecurity's World. An ongoing & curated collection of awesome software best practices and techniques, libraries and frameworks, E-books and videos, websites, blog posts, links to github Repositories, technical guidelines and important resources in Cybersecurity.
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Jan 27, 2025 - Python
Detecting ATT&CK techniques & tactics for Linux
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Oct 1, 2020 - Roff
My useful files for penetration tests, security assessments, bug bounty and other security related stuff
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Sep 20, 2026 - Shell
Curated collection of cybersecurity tools featured in Black Hat Arsenal events.
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Sep 19, 2026 - Python
An open-source knowledge base of defensive countermeasures to protect AI/ML systems. Features interactive views and maps defenses to known threats from frameworks like MITRE ATLAS, MAESTRO, and OWASP.
owasp cybersecurity maestro knowledge-base threat-modeling atlas mitigation defensive-security ai-security mitre-d3fend ml-security llm-security aidefend
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Sep 11, 2026 - JavaScript
A port scanner and service detection tool that uses 1000 goroutines at once to scan any hosts IP or FQDN with the sole purpose of testing your own network to ensure there are no malicious services running.
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Nov 26, 2025 - Go
Some Pentesters, Security Researchers, Red Teamers which i learned from them a lot...
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Jan 25, 2024
PHP ransomware that encrypts your files, as well as file and directory names.
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Apr 25, 2023 - PHP
Bypass Malware Time Delays
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Sep 23, 2022 - C++
🛡️ The Ultimate Cybersecurity Library | 160+ curated books, guides & resources covering Ethical Hacking, Penetration Testing, Bug Bounty, Red/Blue Team, OSINT, Malware Analysis, CEH, OSCP, CISSP, CHFI, Network Security, Kali Linux, Web Security & more. Free, organized, and clickable. Knowledge should be accessible to everyone.
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Mar 5, 2026
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