zero trust

Zero trust is a security model built on the principle of "never trust, always verify." It checks the identity and permissions of every user, device and program each time it requests access to a resource, and grants only the minimum access needed. Unlike traditional perimeter security, which trusts whatever sits inside the corporate network, it verifies internal requests as strictly as external ones.

The model became widely known after Forrester Research analyst John Kindervag formalized it in 2010. In AI, the same principle is applied to AI agents by checking permissions on each request and narrowing what they can reach when they use tools and data.

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