Types of threats

Threats consist of the software that has been deliberately designed to destroy, modify, disclose, or block your data.

Threats fall into the following categories:


Viruses are the small programs that attach themselves to other programs and replicate themselves.


Worms are like viruses in that they copy themselves from PC to PC, but they do not attach themselves to other programs.

Trojan horses

These destructive programs claim to be some other type of program, but they cause damage when they run.

Norton scans your PC for viruses, worms, Trojan horses, and other software that is intentionally destructive. It also monitors your Internet connection to protect you from the Internet-based threats that exploit software vulnerabilities.

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DOCID: v6958027_ns_retail_en_us
Operating System: Windows
Last modified: 12/13/2016