A2A Attack Detection — multi-hop injection chain tracking

2026-03-23

security

What We Built

Multi-hop A2A attack detection with 4 strategies: hop count threshold, trust escalation, content mutation tracking, action correlation. In-memory correlation with configurable TTL (default 1 hour).

Lockstep Checklist

[x] API: Detector module
[x] Tests: 12 tests
[x] Docs: Ship log