VILAS S BAGAD CRYPTOGRAPHY & NETWORK SECURITY - TECHNICAL PUBLICATIONS 2016 - 5.58 ISBN: 9789333211062 Subjects--Topical Terms: DATA SECURITY [ Ciphers, Computer Viruses, Trojan Horses, Worms, Data Backup and Recovery, Computer Security, Network Security] Dewey Class. No.: 005.8 Q6 BAG