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Stop prompt injection from hijacking your agent, new security capabilities now released within Agent Framework

Prompt injection is the #1 risk on the OWASP LLM Top 10, and most agents in production today defend against it with one of two heuristics: a defensive system prompt, or a hand-rolled allowlist. Neither is deterministic. Both fail silently the day someone slips a [SYSTEM OVERRIDE] line...
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Announcing Agent Governance Toolkit MCP Extensions for .NET

Announcing a Public Preview .NET package that adds policy enforcement, startup tool scanning, fallback governance, and response sanitization to MCP servers with a single builder extension.
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Latest posts

Feb 10, 2026
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Standardizing HLSL

Chris Bieneman
The HLSL team is excited to announce the formation of Ecma Technical Committee 57; a committee to standardize the High Level Shading Language. The formation of this committee marks an important milestone in HLSL's development and strengthens Microsoft's commitment to HLSL as a...
DirectX Developer Blog
Feb 10, 2026
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How did Windows 95 get permission to put the Weezer video Buddy Holly on the CD?

Raymond Chen
Asking nicely, and asking a lot of people.
The Old New Thing
Feb 10, 2026
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From Local Models to Agent Workflows: Building a Deep Research Solution with Microsoft Agent Framework on Microsoft Foundry Local

Kinfey Lo
Introduction: A New Paradigm for AI Application Development In enterprise AI application development, we often face this dilemma: while cloud-based large language models are powerful, issues such as data privacy, network latency, and cost control make many scenarios difficult to...
Microsoft Agent Framework
Feb 9, 2026
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Time Travel in Azure SQL with Temporal Tables

Jerry Nixon
Applications often need to know what data looked like before. Who changed it, when it changed, and what the previous values were. Rebuilding that history in application code is tedious and error prone. This is especially valuable when exposing a database to an AI agent through MCP servers...
Azure SQL Dev Corner
Feb 9, 2026
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What should I do if a wait call reports WAIT_ABANDONED?

Raymond Chen
It's your one chance to make amends.
The Old New Thing
Feb 6, 2026
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What’s New in vcpkg (Nov 2025 - Jan 2026)

Augustin Popa
This blog post summarizes changes to the vcpkg package manager as part of the 2025.12.12 and 2026.01.16 registry releases and the 2025-11-13, 2025-11-18, 2025-11-19, 2025-12-05, and 2025-12-16 tool releases. These updates include support for targeting the Xbox GDK October 2025 update,...
C++ Team Blog
Feb 6, 2026
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Mastering User Settings in SharePoint Framework

Paolo Pialorsi
User preferences and settings are fundamental components of modern web applications. When developing SharePoint Framework (SPFx) solutions, the ability to store and manage user-specific configurations across devices and sessions becomes crucial for delivering personalized experiences....
Microsoft 365 Developer Blog
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