An Exchange security certificate renewal that's set to arrive in mid-April will adversely affect organizations with "hybrid" messaging setups if their servers are not up to date, Microsoft warned late ...

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 ...

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Microsoft finds high-severity flaw in hybrid Exchange instances Both Exchange Server 2016 and Exchange Server 2019 are affected, and so is Microsoft Exchange Server Subscription Edition A hotfix is ...

Microsoft recently acknowledged a vulnerability affecting its email and calendar service Exchange that could allow an attacker to gain significant control over particular organizations' email servers ...

Microsoft will be issuing an Exchange security certificate renewal in April that, if not applied by organizations running a hybrid environment, could put a halt to the server. Microsoft is planning to ...