Microsoft Defender Antivirus, formerly known as Windows Defender, is an antivirus program bundled with Windows 10. Microsoft Defender Antivirus has many features, including substantial security ...

All Windows PCs come with a built-in security feature called Windows Defender Application Control (WDAC), which helps prevent unauthorized software from running by allowing only trusted applications.

Q: Are Windows Defender warnings that pop up with a phone number legit? A: Microsoft’s built-in security tool has improved over the years, and it still blocks plenty of everyday threats. But the ...