Schweitzer, Douglas Securing the network from malicious code: a complete guide to defending against viruses, worms and trojans/ Douglas Schweitzer - New Delhi Wiley dreamtech India 2003 - xii, 338p. ISBN: 81 265 0362 9 Subjects--Topical Terms: Threat analysis.Digital security.Internet. Dewey Class. No.: 004.056 53 / SCH