Discover the top antivirus software for you. Compare leading programs on security, features, pricing, and ease of use to find the best antivirus protection for your devices and data.

In 2025, most devices feature built-in antivirus software that scans files you attempt to download, blocking anything it deems suspicious. Antivirus tools also perform automated scans to remove ...

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 ...

Windows 11 users face growing cyber threats, from ransomware and phishing to occasional zero-day exploits. Choosing the right ...

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 ...

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 ...

From our phones to our laptops, we use many gadgets and increasingly store vital information on them. Malware can steal this data and lock you out of your devices, derailing your personal and ...

Antivirus software protects your computer from malware and viruses to keep your data safe. Antivirus software scans files for threats, quarantines suspicious files, and auto-updates to block malicious ...

Windows Security is built-in to Windows 10 and includes an antivirus program called Microsoft Defender Antivirus. If you have another antivirus app installed and turned on, Microsoft Defender ...