Patent ID: 9576150
Date: 2017-02-21
CPC Classifications: G06F

Claim:
1. An access control method, comprising: transmitting, to an authenticator, a request from a user for access to a backup of data associated with a computing device; receiving, from the authenticator, a request that the user identify a shared secret that is unique to the computing device, wherein the shared secret is a UUID of the computing device and is known to the authenticator, and wherein the shared secret is not known to the user at the time of the request from the authenticator but the shared secret is obtainable by the user when the user is a member of a permissible class of user, and wherein the shared secret is not obtainable by the user if the user is not a member of the permissible class of user; transmitting, to the authenticator, a response purporting to identify the shared secret; and obtaining, from the authenticator, access to the backup when the shared secret identified in the user response matches the known shared secret.