CyBOK
Awais Rashid & Howard Chivers & George Danezis & Emil Lupu & Andrew Martin
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Jamie Chan & Lcf Publishing
Quick Start Guide to Penetration Testing
Sagar Rahalkar
Linux Firewalls
Michael Rash
Про криптографию
Виктор де Касто
Wireless Network Simulation
Henry Zárate Ceballos & Jorge Ernesto Parra Amaris & Hernan Jiménez Jiménez & Diego Alexis Romero Rincón & Oscar Agudelo Rojas & Jorge Eduardo Ortiz Triviño
Asterisk: The Definitive Guide
Jim Van Meggelen & Russell Bryant & Leif Madsen