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 ...

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 ...

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 ...

Research shows plenty of unpatched systems remain. Here's how the attacks unfolded, from discovery of vulnerabilities to today's battle to close the holes. On March 2, 2021 Microsoft detected multiple ...

Microsoft has reminded that Exchange Server 2016 and 2019 reached the end of support and advised IT administrators to upgrade servers to Exchange Server SE or migrate to Exchange Online. According to ...