5G Security Threats: Challenges for Service Providers


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Security underpins the entire 5G network. Service providers must create and execute a 5G security strategy that addresses the broad range of new functions introduced by cloud-native 5G Core. New 5G deployments will have positive impacts on customer experience and service innovation, but also expand the attack surface, demanding new approaches to security. This report highlights 5G security challenges and priorities, including the following key findings:

  • Control plane security capability management is following two approaches—evolution from existing 4G platforms and deployment of new 5GC-defined security platforms
  • Firewalls for securing Layer 2-4 are the highest priority for microservices implementation
  • APIs deployed at the edge broaden the threat landscape for several types of DDoS attacks.

Download the Heavy Reading report, 5G Security: The Multifaceted Art of Cloud-Native Threat Mitigation to dive deeper into these findings.

Learn more about service providers' 5G security priorities

Secure Access Service Edge

43% of survey respondents identify SASE as an integral part of their 5G security strategy.

CSPs plan a gradual 5G control plane security rollout

32–41% of CSPs will roll out NRF, SEPP, and NEF within 12 months of commercial launch.


Service providers are prioritizing slice security

Many service providers report that they are already implementing slice management (31%) and network slicing security (27%).