Microsoft has urged customers to be on high alert for an “improper authentication bug”, which could allow threat actors with admin access to an on-prem Exchange Server to escalate privileges into the ...

Microsoft has released its final cumulative update (CU) for Exchange Server 2019, which means customers need to get ready to upgrade or move to hosted Exchange.

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

Organizations running Exchange Server 2019 won't be getting an H2 cumulative update (CU) this year, a Microsoft announcement this month explained.

Microsoft is investigating a major security risk in Exchange Server hybrid deployments that could let attackers gain escalated access within connected Microsoft 365 cloud environments. The ...

Security Microsoft keylogger exchange server Keylogger campaign hitting Outlook Web Access on vulnerable Exchange servers goes global Multiple vulnerabilities exploited to achieve malicious goals ...