How to enhance Agent2Agent (A2A) security

67 · Red Hat · Aug. 19, 2025, 7:10 a.m.
Summary
The blog post discusses the Agent2Agent (A2A) protocol developed by Google for AI agents' communication, outlining its security considerations and potential vulnerabilities. It highlights the roles of client and remote agents, authentication processes, the importance of HTTPS and TLS, and risks like cross-agent prompt injection. The post emphasizes that while A2A is designed with security in mind, developers must implement additional controls and stay updated on its evolving specification to mitigate risks.