Multi-Agent AI Security: Trust Boundaries and Handoffs (Part 3)

3. Multi-Agent Architectures 3.0 Why multi-agent is fun for you and scary for security Single agent: one brain, one loop, one blast radius. Multi-agent: several brains, messages bouncing around, tools firing in different places, sometimes all at once. Vendors sell you this as "teams of AI workers". Security hears: More identities More trust boundaries More ways for something dumb or malicious to…