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7. Security Checklist

Chapter 7. Security Checklist

Security is a very real concern for any computer connected to a network or the Internet. There are three main categories of security threats:

A deliberate, targetted attack through your network connection

Ironically, this is the type of attack most people fear, but realistically, it is the least likely to occur, at least where home and small office networks are concerned. It's possible for a so-called hacker to obtain access to your computer, either through your Internet connection or from another computer on your local network; just not terribly likely that such a hacker will bother.

An automated invasion by a virus, robot, or Trojan horse

A virus is a computer program that is designed to duplicate itself with the purpose of infecting as many computers as possible. If your networked computer is infected by a virus, it might use your network connection to infect other computers; likewise, if another computer on your network is infected, your computer is vulnerable to infection. The same goes for Internet connections, although the method of transport is typically an infected email attachment.


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