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API / Vault interview questions

What are the security considerations when using Vault in a production environment?

Network Security: Ensure that the communication between the client and the Vault server is encrypted and that the network is properly secured. This can be done by using TLS certificates and ensuring the network is isolated from the internet.

Access control: Vault should be configured with appropriate access controls to ensure that only authorized personnel can access sensitive data. This can be done by using authentication and authorization policies, such as user authentication, token-based authentication, and policy-based access control.

Data encryption: Vault uses encryption to protect the sensitive data it stores. Ensure that the encryption keys are properly managed and that the encryption algorithm used is strong and secure.

Disaster recovery: Vault should have a disaster recovery plan in place in case of a failure or data loss. This includes regular backups, offsite storage of backups, and a well-defined procedure for restoring data in case of a disaster.

Logging and auditing: Monitor the activity of Vault and log all access attempts and changes to the data. This information can be used for auditing purposes and for detecting security breaches.

Physical security: The physical security of the Vault server should be ensured. This includes controlling access to the server, ensuring that the server is properly secured, and monitoring the server for unauthorized access attempts.

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