A2A (Agent-to-Agent) Protocol Security: Mitigating Inter-Agent Prompt Injection in Cross-Framework Workflows (2026)
With the release of Microsoft Agent Framework 1.0 and Google ADK for Java, the A2A protocol has become the standard for cross-runtime collaboration. Learn how to secure heterogeneous multi-agent systems against Inter-Agent Prompt Injection (IAPI) and recursive tool-use attacks.