As local area networks grew, so did concerns for network security. This program looks at some early solutions. Demonstrations include FileGuard 2.5 for the Mac, MaccessCard, PhoneNET Liaison 3.0, SiteLock, SecurID, and MailSafe. Guests include security expert and author Cliff Stoll. Originally broadcast in 1991. http://archive.org/details/networksecur
