G. Grubor, M. Milosavljević, Osnovi zaštite informacija, Univerzitet Singidunum, 2010
Bruce Schneier, Primenjena kriptografija: protokoli, algoritmi i izvorni kod na jeziku C, Mikro knjiga, 2007.
Jurafsky, Daniel, and James H. Martin, Speech and Language Processing: An Introduction to Natural Language Processing, Speech Recognition, and Computational Linguistics, 2nd edition. Prentice-Hall.2009.
H. F. Tipton , M. Krause, Information Security Management Handbook, 6th Edition, Auerbach Publications, 2007