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Copilot Studio Now Intercepts Agent Actions for Real-Time Security Vetoes·MSFT +2.1%Copilot Studio Now Lets Security Teams Block Agent Actions in Under One Second·NVDA +0.2%ExplorerPatcher Bypasses 24H2 Upgrade Block With Binary Rename, Restores Key Features·GOOGL +1.7%Microsoft Expands Student Copilot Offer: Free 12-Month Access with Enrollment by October 31·AMZN +1.1%GPT-5 Arrives in Microsoft 365 Copilot as August Update Delivers On-Device AI and Admin Wins·MSFT +2.1%Windows Security Blank or Unresponsive? Try These 9 Fixes Before Reinstalling Windows·NVDA +0.2%Life Without Barriers' Microsoft Security Overhaul: 321,000 Sensitive Files Tagged, 8.3M Activities Monitored·GOOGL +1.7%From cleanmgr to Defender Scans: Automating Windows Maintenance with Task Scheduler·AMZN +1.1%Copilot Studio Now Intercepts Agent Actions for Real-Time Security Vetoes·MSFT +2.1%Copilot Studio Now Lets Security Teams Block Agent Actions in Under One Second·NVDA +0.2%ExplorerPatcher Bypasses 24H2 Upgrade Block With Binary Rename, Restores Key Features·GOOGL +1.7%Microsoft Expands Student Copilot Offer: Free 12-Month Access with Enrollment by October 31·AMZN +1.1%GPT-5 Arrives in Microsoft 365 Copilot as August Update Delivers On-Device AI and Admin Wins·MSFT +2.1%Windows Security Blank or Unresponsive? Try These 9 Fixes Before Reinstalling Windows·NVDA +0.2%Life Without Barriers' Microsoft Security Overhaul: 321,000 Sensitive Files Tagged, 8.3M Activities Monitored·GOOGL +1.7%From cleanmgr to Defender Scans: Automating Windows Maintenance with Task Scheduler·AMZN +1.1%

Defender

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

12 stories in view AI assisted desk updated 11:56 PM
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Admin Center · Adversarial Testing

Copilot Studio Now Intercepts Agent Actions for Real-Time Security Vetoes

Microsoft has shifted the security model for its Copilot Studio from passive guardrails to active, inline enforcement. Organizations can now route an AI agent’s planned actions—including prompts,...

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Ai-powered Devices · Autopilot

GPT-5 Arrives in Microsoft 365 Copilot as August Update Delivers On-Device AI and Admin Wins

Microsoft has begun rolling out its most ambitious Microsoft 365 update of the year, embedding the GPT-5 model family into Copilot across Windows, Office apps, and Teams, while simultaneously...

AI AI & Copilot 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
Access Control · Change Management

Life Without Barriers' Microsoft Security Overhaul: 321,000 Sensitive Files Tagged, 8.3M Activities Monitored

Life Without Barriers, one of Australia’s largest human‑services nonprofits, has uncovered over 321,000 documents containing sensitive data—and automated their protection—in a sweeping...

SE Security Desk·46w ago
Automation · Backup

From cleanmgr to Defender Scans: Automating Windows Maintenance with Task Scheduler

A well-maintained Windows PC doesn't require constant manual intervention. By leveraging the built-in Task Scheduler alongside classic command-line utilities like cleanmgr, MpCmdRun, and Robocopy,...

SE Security Desk·46w ago
Bypass · Defender

Flyoobe 1.4 Expands OOBE Toolkit Despite Microsoft’s Malware Flags

The unofficial Windows 11 installer-bypass landscape just shifted again. Flyoobe 1.4—the latest iteration of the tool formerly known as Flyby11—landed this week with a renamed executable, a...

SE Security Desk·47w ago
Channel Partners · Cloud Cost Management

Microsoft Scraps Volume Discounts for Online Services, Costs Set to Surge for Enterprise Buyers

Microsoft will eliminate the longstanding waterfall discounts on its online services sold through volume licensing, a move that partners call the biggest change to Enterprise Agreements in more than...

AZ Cloud & Azure Desk·48w ago
Defender · Deployment Pipelines

Microsoft Releases Defender Package 1.447.236.0 to Close Critical First-Boot Protection Gap in Windows Install Images

Microsoft has shipped a new Defender update package — version 1.447.236.0 — specifically for offline servicing of Windows installation images, targeting a long-standing security blind spot that...

SE Security Desk·48w ago
Defender · Defense In Depth

Defender’s Limits Exposed: A Practical Guide to Windows 11 Security Layers

When a Windows 11 machine becomes infected with a stubborn Trojan, users often turn to Microsoft Defender – and just as often, they find it can’t finish the job. This real-world frustration,...

SE Security Desk·48w ago
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