The Microsoft Exchange Online breach from July is under scrutiny by a United States Department of Homeland Security board, which plans to “conduct a broader review of issues relating to cloud ...

The report, released by the U.S. Department of Homeland Security, came after an independent review of the Summer 2023 Microsoft Exchange Online intrusion. This is the third review the CSRB has ...

A government review of the attack on Microsoft's Exchange Online hosted email service by a China-linked group has blasted the Redmond company for allowing a "cascade of security failures" that ...

As part of its investigation, the CSRB plans to look into a high-profile breach that hit Microsoft Corp.’s Exchange Online email platform earlier this year.

The review will also assess how a hacking group reportedly linked to China leveraged a vulnerability in Microsoft Exchange Online to access unclassified government emails in a cyberattack ...

As Microsoft notes, “When you install the September 2021 CU (or later) on Exchange Server 2016 or Exchange Server 2019, the EM service will be installed automatically on servers with the Mailbox ...

A U.S. cyber safety body will review issues relating to cloud-based identity and authentication infrastructure that will include an assessment of a recent Microsoft breach that led to the theft of ...

The Department of Homeland Security's Cyber Safety Review Board (CSRB) has announced plans to conduct an in-depth review of cloud security practices following recent Chinese hacks of Microsoft ...

Microsoft is investigating an Exchange Online bug causing anti-spam systems to mistakenly quarantine some users' emails. According to a new incident report added to the Microsoft 365 Admin Center ...

A major security vulnerability in Microsoft's widely used Sharepoint server software has been exploited by hackers, causing ...

Microsoft had announced back in April that it was dropping the Exchange Server management requirement for Exchange Online users with Cumulative Update 12 for Windows Server 2019.

Written by Danny Palmer, Senior Writer Sept. 30, 2022 at 7:54 a.m. PT Image: Getty Newly discovered zero-days in Microsoft Exchange Server are being used actively in cyberattacks.