Security Countermeasures Recommended for SS7 Network Infrastructure
Friday, August 25, 2017 | Comments

The FCC encouraged communications service providers to implement the security countermeasures recommended by the Communications Security, Reliability and Interoperability Council (CSRIC), a federal advisory committee to the FCC, to prevent exploitation of carrier Signaling System 7 (SS7) network infrastructure.

SS7 supports fixed and mobile service providers in processing and routing calls and text messages between networks, enabling fixed and mobile networks to connect, and providing call session information such as caller ID and billing data for circuit-switched infrastructure. During the past several years, numerous research findings and media reports call attention to security vulnerabilities present within SS7 networks.

In March, CSRIC adopted recommendations for best practices to reduce SS7 security risks. These recommendations were grouped into two areas — awareness and protection and threat information sharing.

The full notice and recommendations are here.

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