Hackers Say They've Breached Three Antivirus Companies By Paul Wagenseil An international hacker group says it's stolen program data from the U.S. antivirus companies — but which ones?
500 Million Malicious Ads Attack iPhone Users By Paul Wagenseil Apple iPhone users were hit by millions of malicious ads early in April, and researchers fear a second round of attacks this weekend.
'Gossip Girl' Hackers Behind World's Worst Cyberweapons By Paul Wagenseil U.S. and Israeli hackers have worked together longer and created more cyberweapons than we thought, two researchers said.
Which Antivirus Software Has the Least System Impact? By Paul Wagenseil If you want antivirus software not to slow you down, these are the programs to buy (and avoid).
Two-Thirds of Android Antivirus Apps Are Total BS By Paul Wagenseil 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: Feature-Rich, Flighty Protection By Sean Riley CM Security Master looks great and has a rich slate of features, but its malware protection can vary.
Kaspersky Helped NSA Catch Spyware Leaker (Report) By Paul Wagenseil Kaspersky Lab told the NSA about an American NSA contractor who tried to contact the Russian antivirus firm, a new report says.
Bitdefender Antivirus: Coupons, Discounts, and Where to Find the Best Deals By Louis Ramirez Save money and safeguard your PC from online threats.
How to Protect Your Identity, Personal Data and Property By Paul Wagenseil Stumped by strange cybersecurity terms? Worried you'll be infected as soon as you log in? Here are computer-security basics you should know.
Panda Free Antivirus: Has Its Ups and Downs By Brian Nadel Panda Free Antivirus looks good and is easy to use, but its malware protection is unreliable.
Avira Free Antivirus: Not What It Once Was By Brian Nadel Avira Free Antivirus has a heavy system load while providing only so-so malware protection.
Windows Defender (Finally) Earns Top Antivirus Marks By Marshall Honorof The free, built-in antivirus software in Windows 10 performs just as well as -- or even better than -- many of its paid competitors.
Fearing U.S. Sanctions, Kaspersky Moves User Data Out of Russia By Paul Wagenseil Antivirus maker Kaspersky Lab will move software development and user-data servers from Russia to Switzerland to reassure Western customers.
U.S. May Ban Kaspersky Antivirus Software (Report) By Paul Wagenseil 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.
Microsoft AV Software Finally Beats the Big Boys By Marshall Honorof AV-TEST awarded Microsoft top marks in keeping PCs safe, provided that you're still running Windows 7.
Don't Trust Google Play Protect to Shield Your Android By Marshall Honorof Google Play Protect bears the dubious honor of being the only Android program evaluated by AV-Test that doesn’t routinely protect its users.
Free App Fends Off Ransomware, Comes With Cloud Storage By Paul Wagenseil Acronis' free Ransomware Protection tool runs unobtrusively in the background but still gives you some control over what's blocked.
Avoid This Mac Antivirus Software By Marshall Honorof AV-Test evaluated nine Mac AV programs, and found that no matter which one you use, your system is probably safe (with one exception).
Windows Defender, McAfee Antivirus Move Up in Rankings By Marshall Honorof Microsoft Windows Defender has made great strides in the antivirus space — and McAfee has absolutely topped the charts, after years of woe.
Which Bitdefender Is Right For You? By Henry T. Casey If you want to protect Windows PCs, Macs or Android devices, here's how all of the Bitdefender products compare in features and price.
Why Apple iPhones don't need antivirus software By Henry T. Casey Because Apple's iOS platform is designed with security in mind, it prevents apps from gaining the permissions they need to do any damage.
Kaspersky Russian Spying Rumors: Should You Use This Antivirus? By Paul Wagenseil Experts we spoke to had surprisingly similar opinions about the allegations that Kaspersky Lab may have spied for the Russian government.
PSafe DFNDR: Full-Featured, Fluctuating Protection By Sean Riley PSafe DFNDR is feature-rich and easy to use, but its malware protection is inconsistent and the free version has too many ads.
Bad Rabbit Ransomware: What It Is, What to Do By Paul Wagenseil A ransomware worm called Bad Rabbit spread across eastern Europe Tuesday, with reports that night of outbreaks in other parts of the world.
Malware Cleanup: What Works, What Doesn't By Marshall Honorof AV-Test took 17 different antivirus products and cleanup tools and tested how well each could clean up a malware infection after the fact.
Best Kaspersky Alternatives By Paul Wagenseil 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 Fails Android Antivirus Tests By Paul Wagenseil Google Play Protect performed miserably against other antivirus products, letting through twice as much malware as the next-worst product.
Vote Now! Tom's Guide Community Best Tech Value Awards By Joshua Simenhoff 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.
Kaspersky Needs to Come Clean About Russia Spying Accusations By Paul Wagenseil New allegations about Kaspersky Lab spying for Russia could sink the antivirus company -- unless it comes clean about everything.
Yes, It's Still Safe to Use Kaspersky Antivirus Software By Paul Wagenseil The U.S. government is worried about using antivirus software made by Russia's Kaspersky Lab. But you shouldn't be.