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Debunking Windows Security Myths: 5 Common Misconceptions Exposed·MSFT +0.1%OpenText Core Threat Detection now offers deeper Microsoft Defender integration via Azure Marketplace.·NVDA +3.0%Microsoft's Dual Role Reshapes MSP Security: Endpoint Defense in the Windows Era·GOOGL +1.2%Windows Security’s Quiet Rise: The Built-In Protections That Make Paid Antivirus Optional·AMZN +2.9%When Defender Quarantines Your Files: How to Restore, Exclude, and Stay Secure on Windows·MSFT +0.1%Consumer Reports Demands Free Windows 10 Security Updates Beyond October 2025 — Here’s What It Means for You·NVDA +3.0%Microsoft Defender Antivirus Now Matches Paid Suites in Protection, Lab Tests Confirm·GOOGL +1.2%Microsoft Patches Critical Type-Confusion Bug in Windows Defender Firewall Service (CVE-2025-54915)·AMZN +2.9%Debunking Windows Security Myths: 5 Common Misconceptions Exposed·MSFT +0.1%OpenText Core Threat Detection now offers deeper Microsoft Defender integration via Azure Marketplace.·NVDA +3.0%Microsoft's Dual Role Reshapes MSP Security: Endpoint Defense in the Windows Era·GOOGL +1.2%Windows Security’s Quiet Rise: The Built-In Protections That Make Paid Antivirus Optional·AMZN +2.9%When Defender Quarantines Your Files: How to Restore, Exclude, and Stay Secure on Windows·MSFT +0.1%Consumer Reports Demands Free Windows 10 Security Updates Beyond October 2025 — Here’s What It Means for You·NVDA +3.0%Microsoft Defender Antivirus Now Matches Paid Suites in Protection, Lab Tests Confirm·GOOGL +1.2%Microsoft Patches Critical Type-Confusion Bug in Windows Defender Firewall Service (CVE-2025-54915)·AMZN +2.9%

Windows Defender

The latest Windows Defender coverage — news, analysis, and updates from the WindowsNews.AI desk.

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Patch Lifecycle · Privilege

Debunking Windows Security Myths: 5 Common Misconceptions Exposed

If you believe the single biggest security problem for Windows is the next malware strain or a clever phishing campaign, think again—the far more dangerous factor is the set of widely repeated...

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Endpoint Security · Enterprise It

When Defender Quarantines Your Files: How to Restore, Exclude, and Stay Secure on Windows

Microsoft Defender stops thousands of threats every day, silently quarantining files it deems suspicious. But when it snags a trusted installer or a home-grown script, the silence turns into...

SE Security Desk·43w ago
22h2 · Advocacy

Consumer Reports Demands Free Windows 10 Security Updates Beyond October 2025 — Here’s What It Means for You

On October 14, 2025, Microsoft will stop issuing free security patches for Windows 10. Consumer Reports is now pushing for that deadline to be meaningless for the millions of people who can’t or...

SE Security Desk·43w ago
Antivirus · Av-comparatives

Microsoft Defender Antivirus Now Matches Paid Suites in Protection, Lab Tests Confirm

Independent test labs now rank Microsoft’s built-in antivirus among the top performers for both protection and system impact, erasing years of reputation as a bare-minimum solution. AV‑TEST...

SE Security Desk·44w ago
Cve-2025-54915 · Cybersecurity

Microsoft Patches Critical Type-Confusion Bug in Windows Defender Firewall Service (CVE-2025-54915)

Microsoft has released a patch for CVE-2025-54915, a local privilege escalation vulnerability in the Windows Defender Firewall Service that exploits a type-confusion error. The flaw, described by...

SE Security Desk·44w ago
Antivirus · Checksum Verification

Windows Defender’s Linux ISO False-Positive Epidemic: How to Separate Alarms from Real Danger

Windows users who set out to test-drive a Linux distribution are increasingly met with a startling digital slap: Windows Defender or a third‑party antivirus lights up with a cascade of threat...

SE Security Desk·45w ago
Antivirus · App Repair

Windows Security Blank or Unresponsive? Try These 9 Fixes Before Reinstalling Windows

Windows Security, the graphical face of Microsoft Defender, can suddenly refuse to open—leaving you staring at a blank window, a grayed-out interface, or simply nothing at all. The problem, widely...

SE Security Desk·46w ago
Antivirus · Av-test

Microsoft Defender Achieves Top Lab Scores, Smart App Control Makes Paid Antivirus Optional

Microsoft Defender has quietly evolved into a security platform that outperforms many paid antivirus suites in independent lab tests—and now it packs an execution control feature called Smart App...

SE Security Desk·46w ago
Ai Governance · Ai In Cybersecurity

70% Faster Threat Analysis: Inside TÜV SÜD’s AI-Powered Security Overhaul with Microsoft Copilot

TÜV SÜD, one of the world’s oldest and largest independent testing and certification organizations, has cut security investigation times by up to 70% after weaving Microsoft Security Copilot into...

AI AI & Copilot Desk·47w ago