MIKE D SCHIFFMAN; ADAM JO DONNELL; BILL PENNINGTON ET AL. HACKER'S CHALLENGE 2 : TEST YOUR NETWORK SECURITY AND FORENSIC SKILLS - TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED 2004 - 322 ISBN: 0070531455 Subjects--Topical Terms: DATA SECURITY Dewey Class. No.: 005.8(MCA) / MIK