An international hacker group says it's stolen program data from the U.S. antivirus companies — but which ones?
Apple iPhone users were hit by millions of malicious ads early in April, and researchers fear a second round of attacks this weekend.
U.S. and Israeli hackers have worked together longer and created more cyberweapons than we thought, two researchers said.
Most of the Android antivirus apps tested by a leading lab didn't offer any real protection, and a few even increased the risk of infection.
CM Security Master looks great and has a rich slate of features, but its malware protection can vary.
Kaspersky Lab told the NSA about an American NSA contractor who tried to contact the Russian antivirus firm, a new report says.
Stumped by strange cybersecurity terms? Worried you'll be infected as soon as you log in? Here are computer-security basics you should know.
The free, built-in antivirus software in Windows 10 performs just as well as -- or even better than -- many of its paid competitors.
Antivirus maker Kaspersky Lab will move software development and user-data servers from Russia to Switzerland to reassure Western customers.
The U.S. government may ban the sale of Kaspersky Lab software as part of a larger package of sanctions against Russia, says a report.
AV-TEST awarded Microsoft top marks in keeping PCs safe, provided that you're still running Windows 7.
Google Play Protect bears the dubious honor of being the only Android program evaluated by AV-Test that doesn’t routinely protect its users.
Acronis' free Ransomware Protection tool runs unobtrusively in the background but still gives you some control over what's blocked.
AV-Test evaluated nine Mac AV programs, and found that no matter which one you use, your system is probably safe (with one exception).
Microsoft Windows Defender has made great strides in the antivirus space — and McAfee has absolutely topped the charts, after years of woe.
If you want to protect Windows PCs, Macs or Android devices, here's how all of the Bitdefender products compare in features and price.
Because Apple's iOS platform is designed with security in mind, it prevents apps from gaining the permissions they need to do any damage.
Experts we spoke to had surprisingly similar opinions about the allegations that Kaspersky Lab may have spied for the Russian government.
PSafe DFNDR is feature-rich and easy to use, but its malware protection is inconsistent and the free version has too many ads.
A ransomware worm called Bad Rabbit spread across eastern Europe Tuesday, with reports that night of outbreaks in other parts of the world.
AV-Test took 17 different antivirus products and cleanup tools and tested how well each could clean up a malware infection after the fact.
Kaspersky antivirus software is very good, but what if you don't want to use it? Here are several recommended products from other companies.
Google Play Protect performed miserably against other antivirus products, letting through twice as much malware as the next-worst product.
We've launched the Tom's Guide Community Best Tech Value Awards — a program that lets you vote on the products that provide the best bang for your buck.
New allegations about Kaspersky Lab spying for Russia could sink the antivirus company -- unless it comes clean about everything.
The U.S. government is worried about using antivirus software made by Russia's Kaspersky Lab. But you shouldn't be.