Glossary
Key Management
Secure generation, storage, distribution, and rotation of cryptographic keys used by AI agents for authentication and encryption.
What is Key Management?
Key management ensures agents can securely access APIs, sign transactions, encrypt data, and authenticate while protecting keys from compromise. This includes generating strong keys, storing them in secure vaults or hardware security modules, controlling access through least privilege, rotating keys regularly, and revoking compromised keys. Poor key management is a common source of security breaches.
For AI agents, challenges include providing keys to agents without exposing them in logs or code, managing keys across distributed agent instances, handling key rotation without service disruption, and auditing key usage. Cloud key management services, secrets management systems, and ephemeral credentials that automatically expire improve security over static keys in configuration files.
Example
An agent accessing a payment API stores its API key in a cloud secrets manager with automatic 90-day rotation. The agent retrieves keys on startup using its service identity, keys are never logged or stored in code, and audit logs track every key access for security review.
How Signet addresses this
Signet's Security dimension evaluates key management practices including storage security, rotation policies, and access controls. Agents with mature key management using industry best practices score significantly higher than those with keys hardcoded or stored insecurely.
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