Encryption is the process of converting data into an unreadable format so that only authorized parties with the correct decryption key can access it. It protects information from unauthorized access, eavesdropping, and tampering, whether the data is stored (at rest) or transmitted across networks (in transit).
An external account is an identity that originates outside an organization’s primary identity domain. Instead of being provisioned and governed internally, it is issued by a third-party platform, cloud provider, CI/CD service, or SaaS environment.