The speed with which US law enforcers last week tracked down Jeffrey Lee Parson, one of the alleged culprits behind the destructive computer virus MSBlaster, was heralded as a great victory in the ...

Best malware removal for Windows, Mac, Android and iPhone in 2026, with free options and a step-by-step guide to clearing each one.

Norton 360 is the best antivirus software of 2026, and the most consistently tested across Windows, Mac, and Android. Bitdefender offers nearly the same protection for less money and with less ...

Over 300,000 new types of ransomware and other malicious software are discovered daily, according to the IT security research institute AV-TEST. Computer viruses can slow your devices, create a slew ...

Antivirus suites should catch threats to your PC, go easy on system resources, and charge a fair price. Here’s how we evaluate software for those qualities. Antivirus software can be confusing. If ...

Microsoft Defender Antivirus is 99% effective at blocking threats. Data suggests most infections are due to user behavior. Businesses need specialized endpoint security software. Last April, someone ...

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...

Independently reviewed. Our team creates verified accounts and deposits real money to test every bonus, payout and support channel. Ratings are updated fortnightly. You are facing threats that didn't ...

Your antivirus will protect you from many online threats, but no antivirus is perfect. Truth is, your PC can still be hacked even if you’re using reputable security software with a solid track record.

A computer virus is a type of malware that attaches itself to a program or file. A virus can replicate and spread across an infected system and it often propagates to other systems, much like a ...