Migrating to Zero Trust Architecture: Reviews and Challenges

Author:

Teerakanok Songpon123ORCID,Uehara Tetsutaro14ORCID,Inomata Atsuo15ORCID

Affiliation:

1. Cyber Security Laboratory, Ritsumeikan University, Kusatsu, Shiga 525-8577, Japan

2. Faculty of Information and Communication Technology, Mahidol University, Nakhon Pathom 73170, Thailand

3. Research Organization of Science and Technology, Ritsumeikan University, Kusatsu, Shiga 525-8577, Japan

4. College of Information Science and Engineering, Ritsumeikan University, Kusatsu, Shiga 525-8577, Japan

5. Osaka University, Suita, Japan

Abstract

Zero trust (ZT) is a new concept involving the provisioning of enterprise/organization resources to the subjects without relying on any implicit trust. Unlike the perimeter-based architecture in which any subject behind the wall (i.e., inside the predefined perimeter) is considered trusted, zero trust architecture (ZTA) processes any request and provides a resource to the subject without relying on implicit trust. In this paper, based on NIST Special Publication SP800-207, the concept of ZT and ZTA is introduced. Also, challenges, steps, and things to consider when migrating from the legacy architecture to ZTA are presented and discussed.

Publisher

Hindawi Limited

Subject

Computer Networks and Communications,Information Systems

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