AUTHENTICATION SERVICE FOR AUTOMATED DISTRIBUTION AND REVOCATION OF SHARED CREDENTIALS

An apparatus in one embodiment comprises at least one processing device that includes a processor coupled to a memory, with the at least one processing device being configured to provide an authentication service for sharing access credentials of a protected resource among multiple users. The at least one processing device in providing the authentication service for sharing the access credentials is further configured to obtain the access credentials at least in part from a first one of the users, to automatically provide the access credentials to at least one additional one of the users responsive to authentication of the at least one additional user and satisfaction of one or more specified distribution conditions, and to automatically modify the access credentials responsive to satisfaction of one or more specified revocation conditions. The protected resource may comprise, for example, a user account of a website.