# 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.
- Title: Microsoft Adds Guardian Agents to Treat Enterprise AI Agents…
- Summary: Microsoft introduces Guardian Agents to monitor enterprise AI agents for insider threats. Microsoft adds Guardian Agents to detect and control enterprise AI…
- Keywords: microsoft, guardian agents, enterprise ai agents, insider threats, project perception, microsoft defender, ai security, technology, Adds, Guardian, Agents, Treat
- Source: AI Insider — https://theaiinsider.tech/2026/10/20/microsoft-adds-guardian-agents-to-treat-enterprise-ai-agents-as-potential-insider-threats
- Author: James Dargan
- Published: 2026-10-20T17:03:29+00:00
- Read time: 1 min
- Topics: microsoft, guardian agents, enterprise ai agents, insider threats, project perception, microsoft defender, ai security, ai, technology
## Microsoft introduces Guardian Agents
Microsoft has introduced new security features to monitor enterprise AI agents for potential insider threats.
## Project Perception launched in June
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
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 is an inaugural member of Nvidia’s Open Agent Safety Platform despite investments in OpenAI and Anthropic.
## Key takeaway

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