A massive password-spraying attack has compromised over 80,000 Microsoft accounts, affecting Outlook, Teams, and Office.

Microsoft announced it will expand the list of blocked attachments in Outlook Web and the new Outlook for Windows starting ...

EchoLeak affected Microsoft 365 Copilot, the AI assistant integrated across several Office applications, including Word, ...

Outlook will block .library-ms and .search-ms attachments starting July 2025 to boost security across web and Windows apps.

The new Outlook for Windows isn’t what anyone would call a fan favorite, but Microsoft keeps on trying. Today, it revealed ...

Microsoft has released its June 2025 Patch Tuesday updates, fixing 66 flaws including a critical zero-day actively exploited ...

Starting in July, two new file types will be blocked in Microsoft Outlook. The .library-ms and .search-ms extensions both ...

The M365 AI agent could be tricked into releasing sensitive information via email and without a mouse click. Microsoft has ...