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Safeguard your information with antivirus software. With frequent malware scans and a strong firewall, security software can offer 24/7 protection.

View our ratings and reviews and browse our Buying Guide to find the best antivirus software for your computer.

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Antivirus Software Buying Guide

Our evaluations, performed in conjunction with International Consumer Research & Testing, an association of independent, not-for-profit organizations, turned up free antivirus programs that should adequately protect all but the most at-risk Internet users from malware—viruses, spyware, and other online threats.

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See our full list of antivirus software ratings.