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About the Internet, the Web, and PC Security The fact is, the security of desktop computers was largely ignored back in 1989, just as companies were starting to use them to create local area networks (LANs). When my book came out in 1991 it was one of the first to address computer security from a desktop, rather than systems, perspective. Looking at things from a desktop angle revealed that LANs could be a big problem since they were built out of leaky boxes (PCs) that were never designed to be secure. But within a few years these LANs were being connected into WANs (Wide Area Networks), even before the security problems posed by LANs had been solved. Much of this can be explained by two factors, cost and marketing. LANs were seen as cheaper than traditional computing architectures and vendors were pushing them with great gusto. So LANs turned into WANs and suddenly everyone was talking "client/server" and going "mission critical" over inherently insecure hardware and software, with scarcely any thought for comprehensive enterprise-wide security mechanisms. Then came the Internet, the GAN, the Global Area Network. And fortunately, it already had a reputation as an insecure environment. So anyone planning to connect to the Internet was bound to ask a few questions, like "Is it safe?" And when they went looking for answers they found that there was no point searching for safety out there on the Internet if you didn't have security nailed down in-house, back at the desktop, which is what The Cobb/NCSA Guide to PC & LAN Security is all about. So, in my humble opinion, before you start worrying about IP spoofing and other exotic threats to your computerized data, it makes sense to make sure that you have learned all of the lessons about basic desktop security. [Click Here for PC LAN Security Home Page] This page updated November, 2001 by
Stephen Cobb
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