Research Article

Towards 5G Security Analysis against Null Security Algorithms Used in Normal Communication

Table 2

Required data for anomaly detection.

TypeFieldDescription

User informationSUPIIdentification of UE
MSISDN (Mobile Station ISDN)Phone number of UE
User IP versionIP version of UE
User IPv4IPv4 address of UE
User IPv6IPv6 address of UE
Tracking area identity (TAI) listBase station list in which UE can access for analyzing the UE location

NAS message informationAttach request timeTime of the Attach Request message
Attach reject causeCause of the Attach Reject message
Attach request typeType of Attach Request
1.5GS attach
2.combined 5GS/SUPI attach
6.5GS emergency attach
Security Mode Command TimeTime of the Security Mode Command message
Security Mode reject causeCause of the security mode reject message
UE network capabilityNEA, NIA configurations of UE
Selected NEA/NIASelected NEA/NIA mode by AMF