Microsoft Security
The latest Microsoft Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
Zero-Click Data Leak in Microsoft 365 Copilot BizChat Exposes Enterprise Secrets
A newly disclosed vulnerability in Microsoft 365 Copilot BizChat can expose sensitive business information without any user interaction, Microsoft warned in a security advisory published this week....
Black Hat Demo Exposes Windows Hello Biometric Flaw: Admin Rights Enable Face Injection Attack
German security researchers at the Black Hat USA 2025 conference in Las Vegas have demonstrated a stark vulnerability in Microsoft’s Windows Hello biometric authentication system. The live demo...
CVE-2025-53786: The Silent Hybrid Exchange Exploit That Bypasses All Cloud Defenses
Microsoft has issued an urgent warning about a high-severity vulnerability in hybrid Exchange deployments that could let attackers who breach an on-premises server silently escalate their privileges...
Microsoft’s Autonomous AI Agent Project Ire Nails 90% Malware Detection Accuracy
Microsoft has pulled back the curtain on Project Ire, an autonomous artificial intelligence agent that reverse-engineers and classifies suspicious software without human intervention—and in its...
Microsoft's Secure Future Initiative: Revolutionizing Enterprise Cybersecurity with Zero Trust and Least Privilege Access
Microsoft’s Secure Future Initiative (SFI) represents a seismic shift in the landscape of enterprise cybersecurity. Launched in late 2023, SFI is more than just a collection of best practices or a...
Understanding Secure Boot: Essential Guide for Windows 11 Upgrades and Security
Upgrading to Windows 11 is heralded as a pivotal step forward for PC users, bringing with it a suite of advanced features designed to optimize performance, user experience, and—perhaps most...
The 2025 Surge in Sophisticated Phishing Attacks Targeting Microsoft Accounts: Strategies and Defenses
In 2025, the battleground for digital security has shifted dramatically, with Microsoft account holders standing on the front lines of an escalating war against increasingly sophisticated phishing...
Microsoft Passkeys: Leading the Future of Secure, Passwordless Authentication
As technology evolves, the quest for both seamless user experience and robust security in digital authentication has intensified. With attacks on traditional password systems growing ever more...
Managing Windows Search History and Privacy Using Microsoft’s Privacy Dashboard
Navigating the intricate landscape of digital privacy has become a top priority for modern Windows users. As Microsoft platforms and services continue to expand—connecting personal PCs, cloud...
Microsoft Disables Excel External Links to Blocked File Types: What It Means for Windows Users
Excel will start blocking external workbook links to files considered dangerous by Microsoft’s Office Trust Center, a change that rolls out between October 2025 and July 2026. The move, signaled by...
Microsoft’s Unified ITDR: Revolutionizing Identity Threat Detection and Response in Hybrid Cloud Environments
As enterprises accelerate their digital transformation journeys, the battleground of cybersecurity continues to shift. Today, the perimeter is no longer a ring-fenced corporate network, but a complex...
Microsoft Power Pages Security Agent: Enhancing Web Security for Low-Code Platforms
Securing web platforms is an ongoing battle that grows more challenging as organizations increasingly adopt low-code solutions for rapid digital transformation. In this evolving landscape,...