Analysis
Prompt Shields in Microsoft Foundry - Microsoft Foundry | Microsoft Learn
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Why it matters
Prompt Shields gives defenders a native Azure Foundry control for detecting direct and indirect prompt-injection attacks against LLM deployments and agents, a key mitigation for AI application security.
Microsoft Learn documentation describes Prompt Shields in Microsoft Foundry, a defensive guardrail feature that detects and blocks user prompt injection/jailbreak attempts and indirect (document) attacks embedded in third-party content such as documents, emails, and tool responses. The feature scans at user-input and tool-response intervention points and returns annotation results indicating whether a jailbreak was detected and filtered.