Kirjandus:
- Infosüsteemide turve 1: turvarisk (2009 väljaanne). Vello Hanson, Märt Laur, Monika Oit, Kristjan Alliksoo. Cybernetica AS, Tallinn 2009
- Infosüsteemide turve 2: turbetehnoloogia Vello Hanson, Ahto Buldas, Tarvi Martens, Helger Lipmaa, Arne Ansper, Viljar Tulit. Küberneetika AS, Tallinn 1998
- Andmekaitse ja infoturbe leksikon
- Security Engineering, Ross Anderson
- Firewalls and Internet Security. William R. Cheswick and Steven M. Bellovin. Addison-Wesley, 1994 & 2012
- Practical UNIX & Internet Security, Simson Garfinkel & Gene Spafford; Second Edition, April 1996 (vana aga hea)
- Secrets and Lies: Digital Security in a Networked World. Bruce Schneier. John Wiley & Sons 2000