Don't-Miss Antivirus software Stories

Panda Internet Security 2011

Panda Internet Security is generally effective at protection, though its blocking of new malware wasn’t top notch and it slows Windows more than we’d like.

Battle of the Security Superpowers

We tested the 10 top security packages to see which ones can protect your data without overburdening your PC. Here are the exclusive rankings from the PCWorld Labs.

Symantec Norton Internet Security 2011

Norton Internset Security 2011 does an excellent job at blocking and cleaning up malware, and is nicely designed.

Eset Smart Security 4.2

Eset Smart Security 4.2 is speedy; unfortunately, the suite struggled at detecting and removing malware.

Avira AntiVir Premium Security Suite

Avira AntiVir is very good at blocking known malware, but it left behind more malware remnants than most suites.

Microsoft Security Essentials

Microsoft's free utility fights viruses and other malware, and does a surprisingly good job of it.

Encrypt Sensitive Data for Free with Cryptainer LE

This free security app protects your files in encrypted virtual drives.

Ad-Aware Pro Internet Security

Protect yourself against spyware, viruses, and rootkits.

Protect Your Android Phone With Security Apps

Keep your Android phone safe with these great security apps.

Avast Pro Antivirus 5

Avast Pro Antivirus 5 has a slick interface, but its middling malware detection performance prevents it from achieving a higher score.

Panda Cloud Antivirus 1.0

Panda Cloud Antivirus is easy to use, but its scanning speeds are slower than average. Look for the Cloud Antivirus 1.3 update, which the company says should improve its ability to block brand-new malware.

Free vs. Fee: Free and Paid Antivirus Programs Compared

Can free antivirus software protect you? Or is it worth paying for a full-blown A/V app? We look at the benefits--and pitfalls--of free and paid antivirus products.

Comodo Internet Security Premium

Comodo Internet Security Premium did a good job at blocking brand-new malware and has a firewall, but its inconsistent overall detection performance makes it tough to recommend.