Microsoft Exchange is an email service often used by businesses and academic institutions that works with email clients like ...

Best practices include a focus on hardening user authentication and access, ensuring strong network encryption, and ...

Update September 11, 18:12 EDT: Revised story and title after Microsoft's confirmation that the outage has been mitigated. Microsoft says that it has mitigated an Exchange Online outage affecting ...

Microsoft is investigating a major security risk in Exchange Server hybrid deployments that could let attackers gain escalated access within connected Microsoft 365 cloud environments. The ...

US and allied cyber agencies team up to try to nudge users to pay more attention to securing Microsoft Exchange Server.