4 Overview

33.2563GPPRelease 17Security aspects of Uncrewed Aerial Systems (UAS)TS

TS 23.256 [3] describes the architecture enhancements for supporting Uncrewed Aerial Systems (UAS).TS 23.256 [3] contains the reference architecture and message flows to support this new functionality for UAVs. The present document describes the security of these new features including:

– Authentication and authorization of a Uncrewed Aerial Vehicle (UAV) with the UAS Service Supplier (USS) during 5GS registration;

– Authentication and authorization of a PDU session establishment and PDN connection establishment with the USS;

– Support re-authentication, re-authorisation and revocation of the above;

– Support for USS authorization of pairing of UAVs and UAV-Cs; and

– Support for authorisation of providing location information and providing network based location to mitigate against UAVs reporting false location data.