How Can Viruses Affect Your Computer?

Viruses affect your computer by corrupting files, interrupting Internet traffic and taking over basic functions of your operating system. These behaviors can knock a system offline and cause crashes. Viruses can record keystrokes and screen data, and they may steal personal information and passwords to transmit back to the malware author. Particularly malicious viruses completely take over a computer and use it as a weapon against others.

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