--Network administrators, power users, home enthusiasts, and students will love the value in this 1000-page book for only $19.99. --Coverage includes shielding Windows 2000, Linux, and Macintosh networks from attack, setting up secure Virtual Private Networks, choosing and configuring firewalls, the scoop on Internet piracy and other Internet crime, protecting your home computer, identifying and combating viruses, and more. --Readers learn how to protect their systems from various threats with this complete resource on security from Sybex.