Study on authentication enhancements in the 5G System (5GS)
The scope of the present document is the following:
- key issues, potential security requirements and solutions of how to enhance the authentication process to ensure the security of session anchor keys in case the long-term key is leaked.
- key issues, potential security requirements and solutions of how to mitigate the linkability attacks.
- key issues, potential security requirements and solutions of how to mitigate the impacts of potential DDoS threats due to concealing the SUPI.
- key issues, potential security requirements and solution of how to mitigate the leaking of SQN values during AKA re-synchronisation.