Today, Microsoft revealed that a Mark of the Web security bypass vulnerability exploited by attackers as a zero-day to bypass SmartScreen protection was patched during the June 2024 Patch Tuesday.

In this post, we will show you how to bypass the warning Windows protected your PC, Microsoft Defender SmartScreen prevented an unrecognised app from starting, Running this app might put your PC at ...

A proof-of-concept exploit (PoC) has become available for a critical zero-day vulnerability in the Windows SmartScreen technology. Microsoft issued a patch for the issue in its November Patch Tuesday ...

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 ...

An actively exploited security bypass vulnerability in Microsoft Defender SmartScreen is being exploited in a new stealer campaign to download malicious executables on the victim’s system. Tracked as ...

If you have received an error message saying, "Microsoft Defender SmartScreen prevented an unrecognized app from starting," while launching or installing a recently ...

A Microsoft Defender SmartScreen vulnerability patched in November has found fresh active exploitation in a Phemedrone information-stealing malware campaign, according to cybersecurity research and ...