How personal & Internet security works /

Main Author: Gralla, Preston.
Format: Book
Published: Indianapolis, Ind. : Que/Sams, 2006.
Physical Description: viii, 280 p. : col. ill ; 26 cm.
Subjects:
Published: Indianapolis, Ind. : Que/Sams, 2006.
Language: English
Item Description: Includes index.
ISBN: 0789735539 (pbk.)
9780789735539 (pbk.)