Patent ID: 8223630

Claim:
A tangible computer-readable storage medium, excluding propagating signals, comprising computer instructions to at least: cause a security management system to monitor queries submitted to a Telephone Number Mapping system by one or more Internet Protocol Multimedia Subsystem network elements, the security management system separate from the Telephone Number Mapping system and the Internet Protocol Multimedia Subsystem network elements; cause the security management system to detect one or more faults in the queries submitted by at least one among the one or more Internet Protocol Multimedia Subsystem network elements; cause the security management system to prevent the at least one of the one or more Internet Protocol Multimedia Subsystem network elements from submitting subsequent queries to the Telephone Number Mapping system in response to the faults exceeding a threshold, wherein the one or more faults detected in the queries cause the Telephone Number Mapping system to generate an alarm corresponding to a Denial of Service attack; cause the security management system to direct another one of the Internet Protocol Multimedia Subsystem network elements to replace the at least one of the one or more Internet Protocol Multimedia Subsystem network elements; and cause the security management system to instruct the at least one of the one or more Internet Protocol Multimedia Subsystem network elements to autonomously repair itself.