A system outage affecting Outlook users across North America, which has now been resolved, caused users not to be able to ...

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Microsoft’s September 2025 Exchange Server Hotfix Updates fix hybrid app issues, with support for SE, 2019, and 2016 versions ...

As noted in an alert published by the US Cybersecurity and Infrastructure Security Agency (CISA) on Saturday, Microsoft's team has published a script on GitHub that can check the security status of ...

A vulnerability is Microsoft Exchange servers is being actively exploited by multiple APT groups, researchers warn. Multiple threat groups are actively exploiting a vulnerability in Microsoft Exchange ...

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 ...

The latest Patch Tuesday security update from Microsoft rolled out August 8, complete with six critical reasons to install it as soon as possible. When it came to certain Exchange Server admins, ...

Microsoft's recent Patch Tuesday addressed some Exchange Server vulnerabilities, but other steps might be needed to fully secure it. We start the patching year of 2023 looking at one of the largest ...