An October 2025 Microsoft Windows security update is wreaking havoc on enterprises, impacting multiple systems with bugs ranging from annoying to showstopper. The update in KB5066835 was intended to ...

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 ...

ClickFix attack employs fake Windows security udpates. Updated November 27 with another Windows update warning, along with threat intelligence from the Acronis Threat Research Unit regarding the use ...

Microsoft warned users on Tuesday that FIDO2 security keys may prompt them to enter a PIN when signing in after installing Windows updates released since the September 2025 preview update. This ...