Programming
- learn-bash.org
- learnpython.org
- go.dev
- nim-lang.org
- learn-c.org
- learn-cpp.org
- nodejs.org
- dev.java
- learn-php.org
System & Networking
- linuxjourney.com
- linux-training.be
- debian.org
- archlinux.org
- softwaretestinghelp.com
- computernetworkingnotes.com
- guru99.com
Training Labs
- tryhackme.com
- hackthebox.com
- academy.hackthebox.com
- ashemery/exploitation-course
- RPISEC/MBE
- exploit.education
- portswigger.net
- pentesterlab.com
- owasp.org/webgoat
- owasp.org/secure-coding-dojo
- Cloud Hacking Labs
Materials
- Cybersecurity Stash
- opensecuritytraining.info
- pentest-standard.org
- 0xRadi/OWASP-Web-Checklist
- computersecuritystudent.com
- guyinatuxedo.github.io
- 0xRadi/OWASP-Web-Checklist
- mirror.parrot.sh/misc/openbooks
- freecomputerbooks.com
Blogs & Researchers
- freecomputerbooks.com
- redtm.com
- csandker.io - Named Pipes
- csandker.io - Win IPC 2 RPC
- csandker.io - Win IPC 3 ALPC
- kyleavery.com - Avoiding Memory Scanners
- s3cur3th1ssh1t.github.io
- vx-underground.org
- 0x64marsh.com
- zer1t0.gitlab.io - Attacking AD
- blackhillsinfosec.com
- x86matthew.com
- samcurry.net
- connormcgarr.github.io
- speakerdeck.com - electrovolt