Azure Key Vault provides secure storage for app secrets, encryption keys, and certificates, reducing the risk of unintentional data exposure. - **Key Features**: - **Manage Secrets**: Securely store and control access to tokens, passwords, certificates, API keys, and other secrets. - **Manage Keys**: Create and control encryption keys for data encryption. - **Manage Certificates**: Enroll, manage, and deploy TLS/SSL certificates. - **Service Tiers**: - **Standard**: Encrypt data with a software key. - **Premium**: Offers hardware security module (HSM)-protected keys. - **Security Considerations**: - Use separate key vaults to define security boundaries. - Implement access policies and least privilege access. - Enable firewall and virtual network service endpoints. - Turn on soft delete and purge protection to safeguard data. ## Resources [Design for Azure Key Vault - Training | Microsoft Learn](https://learn.microsoft.com/en-us/training/modules/design-authentication-authorization-solutions/10-design-for-azure-key-vault)