MCP/A2A detection / The 4 detectors
MCP/A2A detection

The 4 runtime detectors

Four threat families, detected at runtime on MCP and A2A traffic.

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Indirect injection

Content collected or returned by a tool diverts the agent from its mandate. Detected on the incoming MCP flow.

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Dangerous actuation

A side-effect action that does not match the mandate (write, call, transfer). Blocked before execution.

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Alarm masking

A manipulation that gets an incident classified as benign. An attacker who gets their own intrusion approved turns your agent into the instrument of the attack.

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Exfiltration

A data leak through agentic channels (tools, responses, A2A delegation). Detected and cut fail-closed.

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