Nicholas Ferreira
- Basic Mod 1
- Basic Mod 2
- Credstuff
- Diffie-Hellman
- Morse Code
- Rail fence
- Substitution 0
- Substitution 1
- Substitution 2
- Sum-O-Primes
- Transpositional trial
- Very smooth
- Vigenere
- Eaversdrop
- Enhance
- Lookey here
- Operation Oni
- Operation Orchid
- Redaction gone wrong
- Sidechannel
- Sleuthkit apprentice
- Sleuthkit intro
- Stego
- Torrent analyze
- Basic file exploit
- buffer overflow 0
- buffer overflow 1
- buffer overflow 2
- buffer overflow 3
- Flag leak
- Function overwrite
- Ropfu
- RPS
- Stack cache
- Wine
- X-sixty-what