Kenneth G. Hartman

A new IETF draft, Credential Broker 4 Agents (CB4A) by Kenneth G. Hartman, published March 2026, proposes a credential brokering pattern that keeps AI agents from ever holding reusable secrets, instea…

AI agents that hold long-lived bearer credentials in their environment, config, or context window create a systemic leak risk because any entity that obtains the credential can reuse it, and agents ma…