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NEW: RSAC 2026 NHI Field Report. How Non-Human Identity became cybersecurity's central axis
AI / agents

What is A2A?

Also known as: Agent-to-Agent Protocol

A protocol for AI agents to communicate and coordinate with each other directly. Every A2A call is a credential action; inventory of agent identities becomes as important as inventory of human identities.

Browse the full glossary

25 terms organized by category.