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How Personal & Internet Security Work by Preston Gralla

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Chapter 2. How Hackers Break In to Your PC—and How to Protect Against Them

How Hackers Break In to Your PC—and How to Protect Against Them

To connect your computer to the Internet is to be in danger. There’s no way around it—the moment you get on to the Internet, you are threatened by spyware, viruses, Trojans, and more. And among the worst threats are hackers, who look for ways to break into people’s PCs and do damage.

Why is the Internet so open to hackers? A big part of the reason has to do with the origins of the Internet itself. The Internet was not designed to be a massive globe-spanning network connecting hundreds of millions of people doing everything from shopping to conducting financial transactions. ...

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