Microsoft announced today that it will retire Client Access Rules (CARs) in Exchange Online within a year, by September 2023. CARs are sets of conditions, exceptions, actions, and priority values that ...

Threat actors are now actively scanning for the Microsoft Exchange ProxyShell remote code execution vulnerabilities after technical details were released at the Black Hat conference. Before we get to ...

A design issue in the Microsoft Exchange Autodiscover feature can cause Outlook and other third-party Exchange client applications to leak plaintext Windows domain credentials to external servers.

Microsoft is planning to deprecate a legacy feature in Exchange Online, but it appears that IT admins are facing challenges in modernizing their workflows. In 2019, Microsoft began a multi-step effort ...

Exchange Server first started out as Microsoft’s internal mail server, but was eventually released to the public. The email client, called Microsoft Exchange Client, was discontinued in favor of ...