Microsoft will disable OWA Light by default in the August 2026 Exchange Server update, redirecting users to standard Outlook ...

Microsoft on Thursday cleared up the mystery surrounding its next Exchange Server release plans, as described in an "Exchange Server Roadmap Update" announcement. Like SharePoint Server and Project ...

Microsoft has added a new Exchange Server feature that automatically applies interim mitigations for high-risk (and likely actively exploited) security flaws to secure on-premises servers against ...

Microsoft Exchange administrators running versions older than March 2023 need to update or they won’t get the latest security mitigations, says an expert. But, David Shipley added, even better advice ...

Over 29,000 Exchange servers exposed online remain unpatched against a high-severity vulnerability that can let attackers move laterally in Microsoft cloud environments, potentially leading to ...

Best practices include a focus on hardening user authentication and access, ensuring strong network encryption, and minimizing application attack surfaces. Cyber agencies from three countries ...

A new cybersecurity blueprint aimed at strengthening Microsoft Exchange Server environments has been released by the US Cybersecurity and Infrastructure Security Agency (CISA), National Security ...

If you are still running and patching an on-premises Exchange server, you need to opt into a major protection that Microsoft is rolling out to its customers. Microsoft has rolled out a new feature ...