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Summary: If you're not protected by a firewall or have other measures in place, you can be reinfected by a virus within seconds of connecting to the internet.
The scenario looks like this: you're infected with a virus, perhaps more than one. You spend hours cleaning, scanning, cursing and possibly rebuilding your machine to a clean state. Everything is clean and wonderful. Then you connect to the internet. With seconds (and I to mean seconds) - you're infected again. Why? How? You didn't do anything, right? Well, that's part of the problem: you didn't do something. • All of the following need to be true for you to get reinfected again:
Viruses such as Sasser are passed by a type of computer-to-computer communication that doesn't involve email or for that matter any action on your part. If your computer is vulnerable and can be reached, then it can be infected. So lets look at each of those three requirements, and how you can prevent them:
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Article 353 | Posted July 3, 2004 |
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