Oppleman, Victor. Extreme exploits : advance defenses against hardcore hacks / Victor Oppleman, Oliver Friedrichs, Brett Watson. - California : McGraw-Hill Companies, c2005. - xxiv, 419 p. : black and white illustrations ; 23 cm. Includes index. ISBN: 0072259558 Subjects--Topical Terms: Computer networks--Security measures. Dewey Class. No.: CIR 005.8 Op62e 2005