Kerberos is a network authentication protocol that uses encryption for authentication of client-server applications.
A Kerberos database can serve as a centralized storehouse for users.
Kerberos facilitates the single-sign-on (SSO) environment, in which a user system login provides the credentials necessary to access a database.
Kerberos is an IETF standard. Interoperability is possible between different implementations of Kerberos.