Microsoft Enables Windows Baseline Security: Runtime Protections Active by Default
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Microsoft will activate Windows Baseline Security Mode by default. This ensures only signed applications, drivers, and services run on Windows systems. Runtime integrity safeguards block tampering and unauthorized modifications
The feature forms part of Microsoft’s Secure Future Initiative launched November 2023. Administrators and users can override protections when needed. Developers gain APIs to check protection status and exception grants for app compatibility.
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Microsoft pairs the announcement with Secure Boot certificate refreshes. Existing certificates expire June 2026. Updated certificates roll out to supported Windows releases automatically.
Secure Boot prevents unsigned code execution from boot. User Transparency and Consent notifies users when apps access files, camera, microphone, or install software. Prompts allow consent review and modification anytime.
AI agents face higher transparency requirements. IT admins gain visibility into app behaviors across endpoints.
Windows Blog: “Developers can check if protections are active and view exceptions granted, providing insight and control over app runtime conditions.”
Secure Future Initiative: Launched post-cloud breaches to strengthen Windows security posture
Feature Comparison Table
| Feature | Purpose | Default State | Override Available |
|---|---|---|---|
| Baseline Security | Signed code only | Enabled | Yes |
| Secure Boot Refresh | Certificate expiry | Automatic | N/A |
| User Transparency | Resource access alerts | Enabled | Reviewable |
| AI Agent Rules | Behavior visibility | Enforced | IT controlled |
Protection Layers
Runtime integrity blocks modified executables. Secure Boot stops boot-time malware. User consent gates sensitive resource access. Developers test compatibility via new APIs.
Phased rollout gives apps transition time. Well-behaved software continues unaffected. Problematic apps trigger clear notifications.
Rollout Timeline
- Immediate: Announcement + developer APIs
- Q2 2026: Secure Boot certificate refresh
- Phased: Baseline Security default enablement
- Ongoing: User feedback integration
Developer Impact
APIs reveal protection status. Exception tracking shows override conditions. Compatibility testing streamlined. Legacy unsigned apps flagged early.
Enterprise Benefits
Centralized IT visibility across endpoints. Granular consent controls per resource. AI agent behavior monitoring. No disruption to signed enterprise software.
FAQ
Runtime protections ensuring only signed apps/drivers run
June 2026 with automatic refresh
Yes, users/admins can override when needed
File/camera/mic access or software installs
Phased deployment with developer feedback
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