1. Home
  2. Mitigations
  3. Interconnection Filtering

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].

ID: M1014
Version: 1.0
Created: 25 October 2017
Last Modified: 15 August 2023
Version Permalink
Mobile Layer
download view

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]

.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.
  1. CSRIC-WG1-FinalReport