Useful Links
Pen Testing
- Virtual Box.
- Kali Linux.
- Metasploit tutorials.
- Metasploitable VM.
- XP Virtual Box VM VM.
- OWASP Periodic table of vulnerabilities.
- Exploit DB.
- CVE Common Vulnerabilities & Exposures.
- NIST Vulnerability DB.
Software Security
- Smashing the stack for fun and profit
- OWASP
- OWASP Broken Web Applications
CTFs
- Master list with several CTFs
- CTF 365 training platform
- Hack This Site: web vulnerabilities
- Embedded CTF
- Wargames
- Hack me
- Root me
Computer Networks
- SANS Tutorials on computer networking for security (scroll down to find "Networking" section)
- TCP/IP Tutorial & Technical Overview free e-book
- Computer Networking Principles, Protocols, & Practice free e-book by Olivier Bonaventure
- Computer Networking playlist by Eli the Computer Guy