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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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Feb 16, 2026
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Condensed views on Kanban and Sprint boards

Dan Hellem
One of the challenges teams face when working with large boards or displaying multiple fields on work item cards is limited screen space. This became even more noticeable with the rollout of the New Boards hub, which introduced additional spacing and padding for improved readability....
Azure DevOps Blog
Feb 16, 2026
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It rather involved being on the other side of the airtight hatchway: Tricking(?) a program into reading files

Raymond Chen
Is it really a trick when reading the file is the purpose of the program?
The Old New Thing
Feb 13, 2026
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DPO Fine-Tuning Using Microsoft Foundry SDK

Jayesh Tanna
In the rapidly evolving landscape of large language models (LLMs), achieving precise control over model behavior while maintaining quality has become a critical challenge. While models like GPT-4 demonstrate impressive capabilities, ensuring their outputs align with human...
Microsoft Foundry Blog
Feb 13, 2026
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Go 1.26.0-1 Microsoft build now available

Davis Goodin
A new release of the Microsoft build of Go is now available for download.
Microsoft for Go Developers
Feb 13, 2026
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How can I distinguish between the numeric keypad 0 and the top-row 0 in the WM_CHAR message?

Raymond Chen
See if it matches the scan code.
The Old New Thing
Feb 12, 2026
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Microsoft at DevNexus 2026: Practical AI for Real-World Java Development

Ayan Gupta
Java developers face a tough trifecta: keeping mission-critical systems running, modernizing legacy apps, and weaving AI into real engineering workflows, all without increasing risk. At DevNexus 2026, the Microsoft Java team is tackling these challenges head-on.  This...
Microsoft for Java Developers
Feb 12, 2026
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Handling Legacy User Settings in SharePoint Framework

Paolo Pialorsi
Introduction The SharePoint Framework (SPFx) has undergone some important changes in how it handles Entra ID app registration and security models. Here you can find additional details about what was updated and about the new application IDs used by SPFx. These changes have important...
Microsoft 365 Developer Blog
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