What Is a Computer Virus? 

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What Are the Different Types?

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A computer virus is a malicious program or code that is written to negatively affect a computer and how it operates.

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Different Types of Computer Viruses

– Resident Virus – Boot Sector Virus – Macro Virus – Overwrite Virus – Trojan Horse  – Web Scripting Virus

Worst Computer Viruses in History

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– Mydoom ($38 billion) – Sobig ($30 billion) – Klez ($19.8 billion) – ILOVEYOU ($15 billion) – WannaCry ($4 billion) – Zeus ($3 billion)

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How Are Computer Viruses Spread?

Instead of simply damaging your computer or ransoming your data, these malicious attacks go on to affect other users in your network or email address book.

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