A service for securely storing and managing secrets (passwords, connection strings), encryption keys, and certificates. It centralizes secrets management and removes the need to hard-code them in application code.
Mentioned in AZ-104 and AZ-900 as a security best practice. Question: where do you securely store an application's credentials in Azure? Key Vault. Access is controlled via Entra ID and RBAC.
Azure Key Vault is a concept that can show up on the exam. Check the full guide to see it in context.