Microsoft Adds Guardian Agents to Treat Enterprise AI Agents as Potential Insider Threats

Microsoft introduces Guardian Agents to monitor enterprise AI agents for insider threats.

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Oct 20, 2026

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Microsoft Adds Guardian Agents to Treat Enterprise AI Agents as Potential Insider Threats

Microsoft introduces Guardian Agents to monitor enterprise AI agents for insider threats.

In brief

Microsoft introduces Guardian Agents to monitor enterprise AI agents for insider threats. Microsoft adds Guardian Agents to detect and control enterprise AI agents as potential insider threats. Originally reported by AI Insider.

Microsoft introduces Guardian Agents

AI Agents

Microsoft has introduced new security features to monitor enterprise AI agents for potential insider threats.

Project Perception launched in June

ai quantum

Project Perception, which Microsoft introduced in June with red, blue and green teams of agents to attack, detect and fix vulnerabilities from outside threats.

CEO Satya Nadella's warning

AI Predictions

CEO Satya Nadella wrote on his blog that enterprises should stop relying on AI model providers’ safety assurances and instead use independent systems to oversee agents.

Security chief Hayete Gallot's view

Security chief Hayete Gallot said frontier models cannot be trusted regardless of origin because they are unpredictable, trained to complete tasks rather than follow organizational norms, and often granted broad access to sensitive data and…

Microsoft Defender adds agent detection

Microsoft Defender now identifies up to 60 agent types including Claude Code and Codex, alongside controls that limit agent access and adjust permissions by task.

Microsoft's stance on AI safety

Microsoft's stance on AI safety

Microsoft is an inaugural member of Nvidia’s Open Agent Safety Platform despite investments in OpenAI and Anthropic.

The takeaway

Microsoft adds Guardian Agents to detect and control enterprise AI agents as potential insider threats.

Read the original on AI Insider

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