- Google Project Zero - Zero day research from Google
- Phrack
- https://please.dont-hack.me/books/hacking/
- https://doc.lagout.org/
- Hacking/Security eBooks
- Free Security eBooks
- CIS Controls List
- Must have cheatsheet, r/AskNetSec
- Netcat Cheat Sheet
- PenTesting tools cheatsheet
- Black Alps
- OWASP Cheat Sheets
- http://www.securitytube.net/
- http://cybrary.it/
- http://null-byte.wonderhowto.com/how-to/
- http://n0where.net/
- http://www.offensive-security.com/metasploit-unleashed
- http://www.exploit-db.com/
- https://siph0n.net/
- http://www.cvedetails.com/
- http://resources.infosecinstitute.com/
- http://www.windowsecurity.com/articles-tutorials/
- http://www.securitysift.com/
- http://www.sans.org/reading-room/
- http://packetstormsecurity.com/files/
- https://www.corelan.be/index.php/articles/
- http://routerpwn.com/
- http://opensecuritytraining.info/Training.html
- https://www.blackhat.com/html/archives.html
- http://magazine.hitb.org/hitb-magazine.html
- https://www.hacksplaining.com/lessons
- http://securityidiots.com
- https://blog.skullsecurity.org/
- Awesome CTF - A curated list of CTF frameworks, libraries, resources and softwares
- Awesome Hacking - A collection of various awesome lists for hackers, pentesters and security researchers
- awesome-infosec - A curated list of awesome infosec courses and training resources.
- Awesome Security - A collection of awesome software, libraries, documents, books, resources and cools stuffs about security.
- Awesome Security Gists - A collection of various GitHub gists for hackers, pentesters and security researchers
- ctf-resources - A general collection of information, tools, and tips regarding CTFs and similar security competitions
- ctf-tools - This is a collection of setup scripts to create an install of various security research tools.
- H4cker - Thousands of resources related to ethical hacking / penetration testing, digital forensics and incident response (DFIR), vulnerability research, exploit development, reverse engineering, and more.
- Powerful Plugins - Powerful plugins and add-ons for hackers for dBurpSuite, Chrome, Firefox, IDA, etc
- pycurity - Python Security Scripts
- SecLists - SecLists is the security tester's companion. It's a collection of multiple types of lists used during security assessments, collected in one place.
- https://threatpost.com/
- http://www.deepdotweb.com/
- https://packetstormsecurity.com/
- http://www.cvedetails.com/
- James Mickens - Harvard cybersecurity professor
- Awesome Cyber Skills
- r/AskNetSec
- 23 Practice sites, r/HowToHack
- List of Practice CTF sites
- Hack the Box
- Black Box Society - The Box - Always on CTF
- Over The Wire
- CryptoHack
- https://www.pentesterlab.com/
- http://www.itsecgames.com/
- https://exploit-exercises.com/
- http://www.enigmagroup.org/
- http://smashthestack.org/
- http://3564020356.org/
- http://www.hackthissite.org/
- http://www.hackertest.net/
- http://0x0539.net/
- http://hacking.voyage/
- https://ctf.hacker101.com/about
- https://attackdefense.com/
- http://www.gameofhacks.com/
- http://damnvulnerableiosapp.com/
- http://damnvulnerableiosapp.com/
- https://defendtheweb.net/?hackthis
- https://www.hellboundhackers.org/
- https://www.mcafee.com/enterprise/en-us/downloads/free-tools.html
- https://owasp.org/www-project-juice-shop/
- http://www.try2hack.lt/en/
- https://www.kali.org/
- http://sourceforge.net/projects/metasploitable/
- https://tails.boum.org/
- http://ophcrack.sourceforge.net/
- https://n0where.net/blackarch-linux/
- http://seanux.net/index/en
- http://sourceforge.net/p/attackvector/wiki/Home/(edited)
- ctf-katana - Automatic CTF Challenge Solver in Python3
- CyberChef - a web app for encryption, encoding, compression and data analysis
- Payload All The Things - A list of useful payloads and bypass for Web Application Security and Pentest/CTF
- PyCk - A collection of useful Python hacking scripts for beginners
- Red Teaming Toolkit - A collection of open source and commercial tools that aid in red team operations.
- Hacking tools
- Really nice website for figuring out where to start on CTF problems
- cybrary.it
- OSCP Goldmine
- ashot.org
- Vulnerable sites, software and wargames
- https://cybr.club/Important-Links/
- https://www.hacksplaining.com/
- https://www.exploit-db.com/google-hacking-database - Making it easier to use Google queries for pentesting
- Beginner's Curriculum
- CTF Practice
- InfoSecIITR Reading Material
- CTF and Pentesting Tools
- CTF Candy - Useful tools and cheat sheet for Captures The Flag (CTF) contests.
- USCGA Tools - The purpose of this repository is to act as an archive of tools that either we USCGA Cyber Team have built on our own or use.
- The Hacker's Choice Tips and Tricks
- Hacker Education Resources - from Hacker101