Microsoft has patched another zero-day bug used by attackers to circumvent the Windows SmartScreen cloud-based anti-malware service and deploy Magniber ransomware payloads without raising any red ...

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 update was added to the end of the article explaining that any Authenticode-signed file, including executables, can be modified to bypass warnings. A new Windows zero-day allows threat actors to ...

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 ...