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M1014 Interconnection Filtering

In order to mitigate Signaling System 7 (SS7) exploitation, the Communications, Security, Reliability, and Interoperability Council (CSRIC) describes filtering interconnections between network operators to block inappropriate requests 1.

Item Value
ID M1014
Version 1.0
Created 25 October 2017
Last Modified 17 October 2018
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Techniques Addressed by Mitigation

Domain ID Name Use
mobile T1430 Location Tracking Filtering requests by checking request origin information may provide some defense against spurious operators.1
mobile T1430.002 Impersonate SS7 Nodes Filtering requests by checking request origin information may provide some defense against spurious operators.2

References

  1. Communications Security, Reliability, Interoperability Council (CSRIC). (2017, March). Working Group 10 Legacy Systems Risk Reductions Final Report. Retrieved May 24, 2017. ↩↩

  2. CSRIC-WG1-FinalReport ↩