It's slow and missed some dangerous software, but Avast Pro Antivirus offers a password manager and protection against website redirects.
Kaspersky Anti-Virus combines fast scans with safeguards against ransomware, but its protection isn't perfect and it can be hard to navigate.
It may not be the most thorough at finding and removing malware, but McAfee's AntiVirus Plus is a bargain for large families.
Avira Antivirus Pro is quick to set up, offers nearly flawless malware protection and has some useful features Avira Free Antivirus lacks.
Bitdefender Antivirus Plus has tough malware scans, little system impact, ransomware protection, a password manager and a file shredder.
MacKeeper sells itself as a security and optimization suite for Mac OS X, but it has trouble keeping its own corporate systems secure.
Clicking an ad on a Comcast Xfinity search results page led users down a painful path featuring ransomware and the long-running Windows Tech Support scam.
The Web won't get safer by itself -- you've got to do your part, and for the most part, you haven't been. Here are 10 ways to start.
Four of the 20 Windows 10 antivirus programs tested received perfect ratings, but a few questionable products fell well short of the mark.
Bitdefender Internet Security 2016 has nearly perfect malware protection, a strong feature set and a remarkably light system impact.
ESET Smart Security 9 includes some unique features, like a stolen laptop tracker, but its malware protection isn't good enough.
Kaspersky Internet Security is a solid antivirus package, but is weaker at finding sophisticated malware on Windows 7 than some competitors.
Trend Micro Internet Security 10 has a perfect record of stopping malware, but it has a somewhat heavy system impact during scans.
Most of the popular Android security suites work very well, but a handful fall well below acceptable safety and usability parameters.
Microsoft's Windows Hello biometric security is now built into laptops, tablets and smartphones. But how does it work, and how secure is it?
A malicious porn-video app shows that non-jailbroken iPhones can be just as vulnerable as Android devices.
A recent evaluation of Linux security software suggests that about half of the most well-known brands won't mount much of a defense at all.
Webroot SecureAnywhere Internet Security Plus has a decent stack of extra features, but is difficult to use and doesn't stop enough malware.
With the Mac version of its free Anti-Malwarebytes software, Malwarebytes comes to rescue Apple users plagued by browser-hijacking adware.
AVG Ultimate is a bargain for those with many devices to protect, but its malware protection isn't as good as it could be.
Trend Micro Premium Security is a great deal for premium antivirus software -- if you can get it at the sale price.
Bitdefender Total Security offers excellent malware protection and a very useful quick scan, but it doesn't have every feature we want.
Three antivirus-product testing labs say Chinese firm Qihoo 360 tweaked its free security software so it would get better results.
AV-TEST, which evaluates how well different brands of antivirus software perform, put Microsoft at the bottom of the barrel once again.
AVG AntiVirus Pro has excellent Android anti-theft and privacy tools, but be ready to download a few more apps to unlock its full potential.
A new malvertising campaign has hit porn site xHamster, exploiting an Adobe zero-day to infect the site's visitors with a nasty downloader.
Avira Free Antivirus is a solid piece of software, but Bitdefender offers better performance, protection, features and a cleaner interface.
Webroot SecureAnywhere Antivirus will protect your PC with minimal impact, but there are better options.
AVG AntiVirus 2015 can encrypt your data and doesn't bog down your PC, but it doesn't offer the best malware protection.
Trend Micro is a solid antivirus program, but its limited extra features keep it from being our top pick for PC antivirus.