Antivirus

Popular Android app with 100 million downloads was infected with a backdoor sometime in its lifecycle.

Apple pushed out an update to iOS that shuts down a jailbreak disclosed last week.

Like Trend Micro last week, some Bitdefender software permits a sneaky attack on Windows systems.

Kaspersky antivirus software put what appeared to be tracking IDs on all web pages rendered in browsers.

Trend Micro patches code-injection bugs in its password manager and antivirus suites.

A zero-day flaw exists in macOS, and it may have already been exploited in the wild to spread malware called OSX/Linker.

McAfee's antivirus protection has improved a lot. The software offers many useful features and unlimited licensing, but still has a heavy system load.

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.

Trend Micro antivirus software offers unbeatable protection and a good slate of extra features, but heavily taxes the CPU during scans.

Kaspersky Lab told the NSA about an American NSA contractor who tried to contact the Russian antivirus firm, a new report says.

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.

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.

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.

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.

All brands, even the usual laggards, did well in latest antivirus test results. Is it a real breakthrough, or a just a statistical fluke?

More new strains of Mac malware have been found in 2017 than in any previous year, but adware is still the biggest headache for Mac users.

Kaspersky Free provides award-winning antivirus service without the hefty price tag, and it will soon be available all around the world.

Microsoft’s built-in Windows security is quickly becoming a viable option, although plenty of other programs can still protect you better.

MacOS is susceptible to everything from Trojans to ransomware, and if you don’t get a security suite, you could be the next victim.