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Microsoft has introduced a new Email Security Transparency Dashboard in Microsoft Defender for Office 365, offering customers visibility into threat detection metrics and benchmarking data. "At ...

Microsoft has rolled out new security requirements for high-volume email senders—domains that send more than 5,000 per day—that will take effect in May. Microsoft is mandating three authentication ...

New security rules come into place for outlook.com on May 5. Update, April 20, 2025: This story, originally published April 18, has been updated with further advice from Red Sift’s Faisal Misle on ...

A phishing scam posing as a Microsoft security alert is targeting users with emails that claim an alert has been triggered on their account. The link appears safe at first glance, often pointing to a ...

Announcing Microsoft Defender Experts Suite, a integrated set of expert-led services that helps security teams keep pace with ...

As businesses continue to migrate their operations to the cloud, maintaining and managing the security of these environments has become mission-critical. Microsoft 365 is a widely adopted suite of ...