A Subscriber Information Disclosure

Following is the type of information that could be disclosed in a subscriber information disclosure attack:

• IMSI disclosure
• Subscriber location discovery
• Disclosure of subscriber profile information
• Cryptographic material retrieval
• Call details gathering

To obtain routing information about a subscriber during an incoming voice call, the SendRoutingInfo message is used. It must be transmitted only within the operator's home network.

To determine a subscriber's location, the ProvideSubscriberInfo message is used.