Vault Tool
In plain terms
HashiCorp's tool for managing secrets and protecting data.
Going deeper
Vault stores secrets securely, issues dynamic short-lived credentials, and provides encryption services with strict access control. It centralizes secret security.
Under the hood
Dynamic secrets and leasing reduce long-lived credential risk; supports many auth methods and audit logging.
Examples
Secret management, dynamic credentials, encryption, PKI, access policies.
Think of it like...
Like a high-tech bank vault handing out temporary, tracked keys on demand.