Due to the critical nature of recently issued Microsoft Exchange security updates, admins need to know that the updates may have installation issues on servers where User Account Control (UAC) is ...

Microsoft has re-released the November 2024 security updates for Exchange Server after pulling them earlier this month due to email delivery issues on servers using custom mail flow rules. This known ...

The National Cyber Security Center (NCSC) is encouraging all UK organizations to install the latest Microsoft Exchange Server updates as a matter of urgency. The urgent advisement comes after ...

Update 26.3.2024: While not on the same scale as 2021's Microsoft Exchange Server hack (see below this update), security problems impacting Exchange Server have reemerged. In March 2024's monthly ...

If you are still running and patching an on-premises Exchange server, you need to opt into a major protection that Microsoft is rolling out to its customers. Microsoft has rolled out a new feature ...