A Microsoft 365 Copilot bug allowed the AI assistant to read confidential emails despite Data Loss Prevention policies designed to protect sensitive information.

Microsoft 365 Copilot bug let AI summarize confidential emails despite Data Loss Prevention rules. What it means for your data and safety.

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 ...

A practical guide to Outlook HIPAA compliance. Learn encryption requirements, configuration steps, and when to choose dedicated HIPAA email solutions.

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 ...

In a new blog post, Microsoft has revealed some new security additions to Outlook.com, the company’s new email service. Microsoft announced two new security features that will help fight common ...

KnowBe4 today announced a strategic integration with Microsoft to strengthen email security. As the first initiative in Microsoft's ICES (Integrated Cloud Email Security) vendor ecosystem, this ...

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 ...

OAuth redirection is being repurposed as a phishing delivery path. Trusted authentication flows are weaponized to move users ...

After Detecting 30B Phishing Attempts, Microsoft Adds Even More AI to Its Security Copilot Your email has been sent Microsoft is raising the bar in the cybersecurity game with a new wave of AI-driven ...