Understanding Spyware and Adware

Spyware is a type of malware that is similar to but different from computer viruses. Like a Trojan horse, spyware typically gets installed in the background when you’re installing another program, without your knowledge or consent. Unlike a virus, however, spyware doesn’t replicate itself; its job is to spy on your system, not to spread itself to other computers.

That’s right, spyware surreptitiously sends information about the way you use your PC to some interested third party. And that’s not a good thing.

How Spyware Works

Just what type of information does spyware monitor? Here’s a short list of what a spyware program could do:

• Record the addresses of each web page you visit

• Record the contents ...

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