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Murmur treats agent VMs as untrusted. Credentials are encrypted end-to-end, tenants are cryptographically isolated, and the platform enforces strict boundaries between what different components can access.

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Agent VM controls

A coding agent is exposed to the lethal trifecta — secret access, untrusted input, and network egress, all at once. Murmur gives you a control for each leg: scope what secrets an agent can reach, control who is allowed to steer it, and apply egress control through customer placements. See Agent VM controls.

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Authentication

Developers log in with GitHub. Tenant membership is derived from GitHub org membership — if you’re in the org, you can access the tenant. Agents authenticate with short-lived identity tokens scoped to a single session. See Authentication.

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Authorization

Org admins get full access by default. Org members can spawn and manage their own agents. For finer control, define roles, create groups, and bind them with tenant-bindings. See Authorization.

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Encryption

Developer credentials are encrypted at rest, re-sealed to each VM’s ephemeral key before delivery, and decrypted only in process memory. Each tenant has its own KMS key. Secrets follow the same encryption lifecycle. See Encryption.