"Backdoor":
- Patriot ACT
https://en.wikipedia.org/wiki/Patriot_act
- FISA
https://en.wikipedia.org/wiki/Foreign_Intelligence_Surveillance_Act
- FCC 06-56A1
http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-06-56A1.pdf
"Enigma"
- BBC WW Library
- Imperial War Museum
- Bletchley Park - ULTRAS
Venovali se tomu i dokumentarni filmy napr.: The Secrets of WWII a dalsi. Dostupne jsou i na Youtuve
https://www.youtube.com/watch?v=XMK2U3xQQ8A
"Hacker/Cracker/Scripting Kiddie" Wiki.
https://en.wikipedia.org/wiki/Script_kiddie
https://en.wikipedia.org/wiki/Hacker_%28computer_security%29