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Zero-Click Data Leak in Microsoft 365 Copilot BizChat Exposes Enterprise Secrets·MSFT +2.1%Exploiting Microsoft 365 Direct Send: A Rising Internal Phishing Threat and How to Mitigate It·NVDA +0.2%The 2025 Surge in Sophisticated Phishing Attacks Targeting Microsoft Accounts: Strategies and Defenses·GOOGL +1.7%July 2025 SharePoint Zero-Day Attack: Lessons, Impacts, and Defense Strategies·AMZN +1.1%Windows 10 End of Support in 2025: Options, Risks, and Migration Strategies·MSFT +2.1%Microsoft 365 Copilot Search Domain Oversight: Security Risks and Governance Lessons·NVDA +0.2%Microsoft Alerts to Active SharePoint Zero-Day Exploited by Chinese State-Sponsored Hackers·GOOGL +1.7%Microsoft SharePoint Server Vulnerability Exploited in Global Cyberattack Affecting Over 400 Organizations·AMZN +1.1%Zero-Click Data Leak in Microsoft 365 Copilot BizChat Exposes Enterprise Secrets·MSFT +2.1%Exploiting Microsoft 365 Direct Send: A Rising Internal Phishing Threat and How to Mitigate It·NVDA +0.2%The 2025 Surge in Sophisticated Phishing Attacks Targeting Microsoft Accounts: Strategies and Defenses·GOOGL +1.7%July 2025 SharePoint Zero-Day Attack: Lessons, Impacts, and Defense Strategies·AMZN +1.1%Windows 10 End of Support in 2025: Options, Risks, and Migration Strategies·MSFT +2.1%Microsoft 365 Copilot Search Domain Oversight: Security Risks and Governance Lessons·NVDA +0.2%Microsoft Alerts to Active SharePoint Zero-Day Exploited by Chinese State-Sponsored Hackers·GOOGL +1.7%Microsoft SharePoint Server Vulnerability Exploited in Global Cyberattack Affecting Over 400 Organizations·AMZN +1.1%

Organizational Security

The latest Organizational Security coverage — news, analysis, and updates from the WindowsNews.AI desk.

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Ai Chat Security · Ai Privacy

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....

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Backup · Cyber Threats

Windows 10 End of Support in 2025: Options, Risks, and Migration Strategies

As the October 14, 2025, end-of-support date approaches for Windows 10, millions of users—ranging from private consumers to IT-managed enterprises—face a turn in the road. With this pivotal...

SE Security Desk·51w ago
Ai Ethics · Brand Credibility

Microsoft 365 Copilot Search Domain Oversight: Security Risks and Governance Lessons

When Microsoft recently unveiled its Microsoft 365 Copilot Search, anticipation ran high among enterprise decision-makers, IT leaders, and AI enthusiasts intrigued by the promise of next-generation...

AI AI & Copilot Desk·51w ago
Chinese Hackers · Cloud Security

Microsoft Alerts to Active SharePoint Zero-Day Exploited by Chinese State-Sponsored Hackers

Microsoft has issued an urgent security warning confirming that multiple Chinese state-sponsored hacking groups are actively exploiting a zero-day vulnerability in SharePoint Server. The attacks,...

SE Security Desk·51w ago
Critical Infrastructure · Cyber Defense

Microsoft SharePoint Server Vulnerability Exploited in Global Cyberattack Affecting Over 400 Organizations

A critical vulnerability in Microsoft's SharePoint Server software has been exploited in a widespread cyberattack, compromising over 400 organizations globally. This breach has affected a diverse...

SE Security Desk·51w ago
5g Connectivity · Ai-powered Pcs

Microsoft Surface Laptop 5G Review: The Ultimate AI-Powered Business Laptop for Modern Professionals

Business professionals today require more than just speed — they demand reliability, seamless connectivity, advanced security, and intelligent tools that anticipate their needs in an increasingly...

AI AI & Copilot Desk·51w ago
Budget · Cloud Computing

Windows 10 Users Face Paid Security Patches After October 2025 Support Cutoff

The countdown to October 14, 2025, marks an epochal shift for hundreds of millions of Windows users around the globe. This is the date when free support for Windows 10 officially ends, closing an era...

SE Security Desk·51w ago
Cyber Espionage · Cyber Threats

Microsoft SharePoint Server Targeted by Zero-Day Attacks: Risks, Responses, and Best Practices

Microsoft's SharePoint Server, a backbone technology for organizational collaboration and document management, has found itself at the center of a significant cybersecurity crisis. In a recent urgent...

SE Security Desk·52w ago
Cyber Threats · Cyberattack

Urgent Cybersecurity Alert: Microsoft SharePoint Server Vulnerabilities Demand Immediate Action

In the face of an intensifying wave of cyberattacks targeting Microsoft SharePoint Server, IT professionals, business leaders, and cybersecurity teams are sounding the alarm—urging immediate action...

SE Security Desk·52w ago