Microsoft adds playbooks to contain overprivileged AI agents

What the research found

Microsoft extends Project Perception with Guardian Agents and Playbooks that contain overprivileged agents, expands agent discovery to 60 agent types (Claude Code, Codex, GitHub Copilot), and adds Entra Agent ID identity types for local and unknown agents.

Claims and how well the evidence supports them

1. Microsoft Security expands agent discovery to 60 agent types including Claude Code and OpenAI Codex 96%
2. Guardian Agents and Playbooks extend Project Perception 99%
3. Entra Agent ID gets identity types for local and previously unknown agents 99%

Evidence

• helpnetsecurity.com https://helpnetsecurity.com/2026/10/20/microsofts-ai-agents-threats-guardian-agents

Actionability rated medium.