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.

Update, March 31, 2025: This story, originally published March 29, has been updated with an explanation of LOLBINS as well as further technical information regarding the Windows Defender Application ...

The latest Windows Server 2025 Insider preview build 26304 has been released. It adds the new Windows Defender Application Control for business. Microsoft has released the latest Windows Server build ...

Windows Defender is a capable antivirus solution built into Windows itself. Unless you’ve installed a different antivirus program on your Windows 11 or Windows 10 PC, your PC is using it right now.