Tag: Conditional Access authentication

Source URL: https://www.microsoft.com/en-us/security/blog/2025/05/12/marbled-dust-leverages-zero-day-in-output-messenger-for-regional-espionage/ Source: Microsoft Security Blog Title: Marbled Dust leverages zero-day in Output Messenger for regional espionage Feedly Summary: Since April 2024, the threat actor that Microsoft Threat Intelligence tracks as Marbled Dust has been observed exploiting user accounts that have not applied fixes to a zero-day vulnerability (CVE-2025-27920) in the messaging app Output…