Security software

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What's behind our security software Ratings?

Experts at our National Testing and Research Center tested 18 models in security software to see which ones perform best.

We look for:

Overall score
Based on performance detecting and blocking online and offline threats, ease of use, and effective response to newly-discovered malware.
Threat blocking
Threat blocking shows how well the product protected against live exploits from websites and local drives.
Ease of use
Ease of use covers installation, changing settings, and interacting with the software.
Malware scan
Malware scan measures effectiveness scanning the PC for malware, both online and offline.
Resource drain
Resource drain measures use of memory and tendency to slow computer operation during a scan.
Firewall
Firewall shows how well the software and its firewall stopped rogue connections to and from the Internet.
Updating
Updating shows how quickly the product is able to protect against new malware.
Anti-phishing
Anti-phishing measures the ability to block websites known to host malware.
Response to threats
Response to threats indicates appropriateness of the suggested or default response to a detected threat.

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Recommended security software

Recommended security software are standout choices with high scores. They include CR Best Buys, which offer exceptional value. When narrowing your choices, weigh features, price, and attributes that matter to you.

Recommended security software

Security software buying guide

To find the security software that is right for you, read our expert advice on which features to consider and how to find the best value.

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Why shop here?

In addition to finding Ratings for the latest models, you can now shop online using an ad-free interface where you can buy security software in a safe-shopping environment.

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Security software helps protect your computer—and the personal information you have stored on it. If you're looking for information about security software, Consumer Reports is your best resource. Use our security software buying guide to help you choose the best security software for your needs.

Ratings & recommended security software

Security software (18)

We recommend running an anti-malware program and a firewall on your computer. You might also want to run an anti-spam program if the filter on your e-mail program from your service provider allows too many unwanted messages to get through.

Security software buying guide

New PCs almost invariably come with a free trial version of a subscription security suite from a company such as Symantec or McAfee. But you can probably skip paying for those programs and still be safe online, our latest tests confirm.

Our evaluations, performed in conjunction with International Consumer Research & Testing, an association of independent, not-for-profit organizations, turned up free 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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