Preventing Agent Hijacking With Cryptographic...

If you’re letting AI agents call tools, open pull requests, touch production data, or coordinate work across services, you already have an identity problem. A lot of agent systems still rely on soft trust: API keys in environment variables, tool access based on network location, or a vague assumption that “the agent running in this session is the same one we started with.” That works right up until it doesn’t. An agent gets replayed, a tool call is spoofed, a session token leaks, or a delegated