Teams Security
The latest Teams Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
Microsoft 365 Password-Spraying Surge and Teams Bot Flaw Highlight Identity Security Crisis
A cascade of security failures erupted across the tech landscape this week, exposing how fragile the boundaries of identity, privacy, and artificial intelligence have become. Apple’s vaunted Hide...
Microsoft Teams to Turn Every Blocked External User into a Real-Time Admin Security Alert
Microsoft is about to turn one of the most mundane actions in Teams—blocking an external contact—into a frontline defense mechanism. Starting in June 2026, a new feature will let users report...
Microsoft Teams Retires Legacy External Meeting Controls on June 30, 2026: What It Means for Windows and Mac Users
Microsoft has set June 30, 2026, as the retirement date for legacy external meeting controls in Teams, marking another significant step in the company's ongoing security-focused cleanup of older...
Microsoft Teams Vishing Attack Exposes Identity-First Security Gaps: How DLL Sideloading and Remote Support Abuse Led to Compromise
Microsoft's own incident responders have documented a sophisticated attack that bypassed traditional zero-day exploits entirely, instead exploiting human trust within collaboration platforms. The...
Microsoft 365 Copilot 2026 Preview Debuts Autonomous AI Agents for Proactive Workflow Automation
Microsoft's latest preview wave for Microsoft 365 represents a significant evolution in the company's strategy to deeply integrate artificial intelligence into the fabric of enterprise productivity....
Microsoft Teams Adds Brand Impersonation Protection to Combat Vishing Attacks
Microsoft Teams is rolling out a significant new security feature designed to combat one of the fastest-growing cyber threats: brand impersonation attacks via voice calls, commonly known as vishing....
Microsoft Teams Security: Auto-Enabled File & URL Protection in 2026 Explained
Microsoft is implementing a significant security enhancement for Microsoft Teams by automatically enabling three critical messaging protections for tenants using out-of-the-box configurations...
Microsoft Teams Gets Tougher: Automatic Blocks for Weaponized Files and Malicious URLs
Microsoft is raising the shield on its flagship collaboration platform. Starting in September, Microsoft Teams will automatically block messages containing weaponizable file types and warn or block...
LightBeam Unveils Copilot Governance Tools to Combat AI-Driven Data Exposure and Ransomware
LightBeam has released its Summer 2025 update, introducing real-time governance controls for Microsoft Copilot alongside ransomware containment—responding to the breakneck enterprise adoption of...
Abnormal AI’s Real-Time Security Posture Management for Microsoft 365: Transforming Cloud Security
Microsoft 365 has become the nerve center of productivity for countless organizations, powering everything from email and collaboration to file sharing and third-party app integrations. However, as...
Defending Against Scattered Spider: Securing Internal Messaging Platforms from Advanced Digital Deception
The threat landscape for enterprise IT has never been more volatile, with the emergence of groups like Scattered Spider redefining the boundaries of digital deception. Unlike many earlier...
Comprehensive Guide to Securing Microsoft Teams in Remote and Hybrid Work Environments
With Microsoft Teams becoming the cornerstone of collaboration in today's remote and hybrid work environments, its popularity has inevitably increased the need for robust security. As more...