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 ...

With nearly 350 billion emails sent every day, many containing sensitive data and plans, it's a worrying fact that more than 90% of all successful cyber-attacks start with a phishing email. The ...

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 ...