Indiana University
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What is security software?

The two main types of security software are virus protection software (e.g., Symantec AntiVirus), and software to remove adware and spyware.

Virus protection software

Antivirus software prevents and removes known computer viruses. Such software usually includes a real-time protection feature that attempts to stop incoming viruses before they infect your computer. This type of software can also scan your computer for viruses. Antivirus software requires regular updating to remain effective against new viruses.

Note: The University Information Security Office (UISO) recommends that you run the latest version of Symantec virus protection software (available to IU students, faculty, and staff free of charge via IUware) for your operating system. Be sure to upgrade safely, update your virus definitions daily, and scan your computer weekly. See In Windows, how do I safely upgrade to the latest Symantec Endpoint or AntiVirus software?

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Adware and spyware removal software

Adware and spyware removal software scans and removes unwanted and malicious software applications, though not viruses. As with virus protection software, you need to update your adware/spyware removal programs so they remain effective. IU students, faculty, and staff can get Windows Defender free of charge via IUware.