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 ...

Microsoft says that it has mitigated an Exchange Online outage affecting customers worldwide, which blocked their access to emails and calendars.

This story was originally published on Cybersecurity Dive. To receive daily news and insights, subscribe to our free daily Cybersecurity Dive newsletter. The Cybersecurity and Infrastructure Security ...

Microsoft Corp. is investigating reports that attackers are exploiting two previously unknown vulnerabilities in Exchange Server, a technology many organizations rely on to send and receive email.

Once, reasonable people who cared about security, privacy, and reliability ran their own email servers. Today, the vast majority host their personal email in the cloud, handing off that substantial ...

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 ...