How DigitalOcean Manages Credentials for Autonomous Agents

DigitalOcean describes a security architecture for autonomous agents that keeps credentials outside agents’ models and sandboxes, reducing risks from prompt injection, compromised dependencies, and unauthorized tool use. Its Managed Agents platform uses the Action Gateway to broker authenticated calls at execution time, associate access with specific actors or users, and handle authorization refreshes without exposing API keys or tokens to agents. For workloads requiring direct credentials, Harness Runtime distinguishes ordinary configuration variables, managed secrets that are injected into a sandbox, and scoped secrets that provide short-lived handles usable only with designated HTTPS destinations. Each agent and sub-agent runs in an isolated microVM with separate workspaces, histories, and credential declarations, while spawning new sessions remains subject to permissions and session limits. DigitalOcean says its policy-driven controls, including default-deny filesystem permissions, zero-egress network isolation, non-root execution, and audit trails, align with NVIDIA OpenShell’s open policy schema and aim to make multi-agent workflows more secure and auditable.

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