Antivirus apps protect your PC's personal information, data, bank accounts, and other sensitive information. We've tested more than two dozen utilities to help you choose the right antivirus for your ...

Think twice before you click on that link—even if it was sent to you by a friend or family member. Simply put, a computer virus is a program that you did not install which often performs malicious ...

A recent update to Windows Defender gave it the ability to download files through a command line tool. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

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, ...

Boot Sector Viruses are malicious programs that reside in your hard drive. They infect your machine by replacing your Master Boot Record (MBR) or DOS Boot Sector with their code. In some cases, boot ...

A computer virus is a type of malware that can replicate itself on your computer and spread to other devices. You might be infected with a virus if your computer suddenly starts running more slowly, ...

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.