CTF read-only resources. For practical challenges, go to ctf-list.
- Competitive Programming
- Cryptography
- Forensics
- Hardware
- Pwn
- Reversing
- Social Engineering
- Web
- Sample Topics Roadmap
- 13Cubed: Forensics channel
- Anatomy of a syscall
- Corelan Team
- Format String
- Jailbreaks-Demystified
- Linux Tutorial
- Kernel exploitation
- Kernel exploit cheetsheet
- Mach architecture
- Mach malloc
- n4sm: Channel in French
- pwnable.kr writeups
- Slob exploitation
- Awesome reversing
- OS Tutorial
- wiki.osdev
- reverse-engineering
- kernelmode.info
- [kernel newbies](https://kernelnewbies.org/
- cr4sh
- VX underground
- Awesome web
- Bug Crowd University
- Hacker 101 Training Videos
- Intigriti: By Inti de Ceukulaire
- CTFtime writeup
- ctf-wiki
- CTFs
- Linux File System: Simple explanation
- Technical writing: Learn how to write technical documents