Banks, Michael A. PC confidential : Secure your PC and privacy from snoops, spies, spouses, supervisors, and credit card thieves / Michael A. Banks. - San Francisco : Sybex, c2000. - xxii, 258 p. ill. ; 23 cm. + 1 computer optical disc (4 3/4 in.) ISBN: 0782127479 (pbk.) Subjects--Topical Terms: Computer security.Microcomputers--Access control.