Microsoft Defender isn't bad, but it's not enough to fully protect your PC. You don't have to pay extra, though—just use one of the top free antivirus apps we've tested.

Looking for a new antivirus? My tried and tested favorites will improve the security of your desktop PC, laptop, and mobile devices.

Computer viruses can invade your system without you noticing, disrupting its operation and even stealing your data. To protect your device, it's important to know how to recognize signs of infection, ...

The Google Play Store might not be perfect for stopping Android malware, but its collection of scanning, app reviews, and developer requirements makes it a lot safer than the wider, unfiltered ...

Here are the basics: Microsoft Defender is the virus protection integrated into Windows by default. If no other antivirus program is installed and activated, Defender protects you against viruses. You ...

If you're unsure about a file, you can scan it manually for malware infection, and here's how. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. On ...

Avast Premium Security expands the protection of the company’s already excellent free antivirus software by leaning harder into safeguarding your PC. That can be a boon for those who don’t need (or ...

Thanks to several rigorous security measures Apple integrates into its computers, Macs are generally considered among the safest systems. However, there’s always an opportunity for malware and ...

Google has done a great job of making Chrome OS lightweight, yet still secure against common computer viruses, which is one reason it’s a popular choice at schools. However, if you have a Chromebook, ...