Microsoft has urged its customers to be on high alert after discovering a dangerous vulnerability in hybrid Exchange deployments.

"Leveraging cloud-native capabilities, Storm-0501 rapidly exfiltrates large volumes of data, destroys data and backups within the victim environment, and demands ransom — all without relying on ...

The Storm-0501 threat group first emerged in 2021 with the deployment of Sabbath ransomware against U.S. school districts and ...

Microsoft has notified customers that it’s missing more than two weeks of security logs for some of its cloud products, leaving network defenders without critical data for detecting possible ...