Patent ID: 8320882

Claim:
Apparatus for use in a home network to which a plurality of mobile devices associate to receive a given mobile service, wherein each mobile device is provisioned with subscriber-specific information that identifies a user of the mobile device to the home network, comprising: a processor; a computer-readable medium comprising instructions executed by the processor for performing a method, comprising: generating an enriched identifier that, for a given mobile device of the plurality of mobile devices, obfuscates the subscriber-specific information except to an entity associated with the home network, the entity being a member of a set of entities associated with the home network, the set of entities being the only entities that can recover the subscriber-specific information from the obfuscation, the enriched identifier also including a data string from which an identity of the entity can be ascertained; providing the enriched identifier to the given mobile device; and responsive to an audit request, providing a validation that the enriched identifier was associated with the subscriber-specific information at a given time.