There is (or was) a vulnerability in Windows Defender, but you don't have to worry about it. That's the short version. The longer version, for those who are interested, is that Microsoft detected a ...

Are you worried that your missing Windows Defender history is hiding an infection? Windows Security’s Protection History tracks the Defender’s actions, helping you identify and remove threats easily.

Many Windows users attempt to open the Windows Defender Scans folder to remove Windows Defender history but find that they can’t access it. If a double-click is not opening the Windows Defender Scans ...

To fix high memory usage by Antimalware Service Executable on Windows 11, try turning off real-time protection, uninstalling pirated apps, scanning for malware, rescheduling Windows Defender scans, or ...

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 ...