Open for Public Comment: Reallocation of Temporary Identities

The National Cybersecurity Center of Excellence (NCCoE) has published the fourth white paper in its series Applying 5G Cybersecurity and Privacy Capabilities. The series targets technology, cybersecurity, and privacy program managers within commercial mobile network operators, potential private 5G network operators, and organizations using and managing 5G-enabled technology who are concerned with how to identify, understand, assess, and mitigate risk for 5G networks. In the series we provide recommended practices and illustrate how to implement them. All of the capabilities featured in the white papers have been demonstrated on the NCCoE testbed on commercial-grade 5G equipment.

We are pleased to announce the availability of the fourth white paper in the series:

Reallocation of Temporary Identities — This publication provides additional details regarding how 5G protects subscriber identities (IDs). It focuses on how the network reallocates temporary IDs to protect users from being identified and located by an attacker. Unlike previous generations of cellular systems, new requirements in 5G explicitly define when the temporary ID must be reallocated (refreshed), which is explained in the document.

The white paper is open for public comment through December 6, 2024. 

Get the Series

As each white paper is published, you can download it from the NCCoE’s website. 

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