OnGuardOnline.gov provides practical tips from the federal government and the technology industry to help you be on guard against Internet fraud, secure your computer, and protect your personal information.

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Minimizing the Effects of Malware

Criminals sometimes use malware – programs like viruses and spyware – to get into your computer. Once there, they can steal information, send spam, and commit fraud. Learn to spot the signs of malware and what you can do to reclaim your computer and your electronic information.

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Operating System

The main program that runs on a computer. An operating system allows other software to run and prevents unauthorized users from accessing the system. Major operating systems include UNIX, Windows, MacOS, and Linux.

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Operating System

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