3GPP Non-Public Network Security

  • Anja Jerichow Nokia Bell Labs, Munich, Germany
  • Betsy Covell Nokia Bell Labs, Munich, Germany
  • Devaki Chandramouli Nokia Bell Labs, Munich, Germany
  • Ali Rezaki Nokia Bell Labs, Munich, Germany
  • Atte Lansisalmi Nokia Bell Labs, Munich, Germany
  • Juergen Merkel Nokia Bell Labs, Munich, Germany
Keywords: Security, verticals, non-public network (NPN), standalone nonpublic network (SNPN), public network integrated non-public network (PNINPN), private networks.


The 3GPP Rel-16 5G System focuses on enabling support for Industrial Internet of Things (IIoT) for Industry 4.0. Building blocks of 5G supporting use cases and requirements from the manufacturing sector are extreme mobile broadband, massive machine-type communication, ultra-reliable critical machine communication, non-public networks, time sensitive communication, 5G LAN communication, precise positioning. While for all of them, security plays an important role, the focus of this paper is on the 3GPP Rel-16 architecture and security concept of 5GS Non-Public Networks.We conclude with insights on the challenges for using 5G in the Operational Technology Industry.


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Author Biography

Anja Jerichow, Nokia Bell Labs, Munich, Germany

Anja Jerichow leads the Converged 5G Security project within Nokia and drives the vertical security work item in 3GPP SA3 among her other responsibilities as security expert in 3GPP and GSMA.


3GPP TR 22.804: “Study on Communication for Automation in Vertical

domains (CAV)”.

3GPP TR 22.830: “Study on Business Role Models for Network


3GPP TS 22.261: “Service requirements for the 5G system; Stage 1”.

3GPP TS 22.104: “Service requirements for cyber-physical control

applications in vertical domains”.

3GPP TR 23.734: “Study on enhancement of 5G System (5GS) for

vertical and Local Area Network (LAN) services”.

3GPP TR 33.819: “Study on security enhancements of 5GS for vertical

and Local Area Network (LAN) services”.

5G-ACIA, The 5G Alliance for Connected Industries and Automation,


5G-ACIA Whitepaper “5G for Connected Industries and Automation”,



nected_Industries_and_Automation_Download_19.03.19.pdf, March

5G-ACIA Whitepaper “5G Non-Public Networks for Industrial Scenarios”,



cenarios/WP_5G_NPN_2019_01.pdf, July 2019.

3GPP TS 23.501: “System architecture for the 5G System (5GS)”.

3GPP TS 33.501: “Security architecture and procedures for 5G system”.

RFC 5247: “Extensible Authentication Protocol (EAP) Key Management

Framework” in https://tools.ietf.org/html/rfc5247

3GPP TS 33.401: “3GPP System Architecture Evolution (SAE); Security


RFC 4282: “The Network Access Identifier” in https://tools.ietf.org/h


ETSI security week 17–21 June 2019: “5G Security Challenges for

Verticals – a Standards View”; A. Rezaki & A. Jerichow.

3GPP TS 23.502: “Procedures for the 5G System (5GS)”.

3GPP TS 23.503: “Policy and charging control framework for the 5G

System (5GS); Stage 2”.

RFC 7542: “The Network Access Identifier”, in https://tools.ietf.org/h


3GPP TS 23.003: “Numbering, addressing and identification”.

Special Issue on 3GPP 5G Security