5G Security Operations — SOC for 5G Core Networks · Pro
A 5GC incident generates evidence across multiple sources. Logs: NF access logs, OAM logs, NRF logs, signaling logs (NGAP, PFCP, GTP). These show what messages flowed where and when. Traffic captures: PCAP files of SBI traffic, signaling traffic. These preserve the actual data exchanged. NF state: in some incidents, capturing the live NF's memory or runtime state preserves forensic evidence (process memory, in-flight state, current connections). Cluster state: Kubernetes state, NRF state, NF profile registrations — what the system was doing at the time. Alert and incident records: SIEM…