Zero-Trust Architecture in Java Microservices

Article Original Website Link: https://www.academicpublishers.org/journals/index.php/ijns/article/view/5451

Authors

  • Sagar Kesarpu Expert Application Engineer Leading Financial Tech Company Herndon, Virginia Author

Keywords:

Zero-Trust Architecture, Java Microservices, Spring Security, OAuth 2.0

Abstract

Securing inter-service communication and data access has become crucial as microservices become the architectural standard in enterprise software development. In dynamic, cloud-native systems, traditional perimeter-based security solutions are no longer adequate. The Zero-Trust Architecture (ZTA) in Java-based microservices is thoroughly examined in this study. We go over the fundamentals of ZTA, look at how it applies to microservices, and offer thorough methods for implementing zero-trust policies with industry-standard frameworks and tools like OAuth 2.0, Istio, and Spring Security. Additionally, a case study showing how ZTA is implemented in a distributed Java microservices application is provided.

References

NIST Special Publication 800-207, "Zero Trust Architecture," National Institute of Standards and Technology, 2020.

R. Chandramouli, “Zero Trust Architecture Design Principles,” NIST.

Spring Security Reference, https://docs.spring.io/spring-security/

Istio Security Guide, https://istio.io/latest/docs/concepts/security/

OAuth 2.0 Framework, https://datatracker.ietf.org/doc/html/rfc6749

OpenID Connect Core 1.0, https://openid.net/specs/openid-connect-core-1_0.html

“Securing Microservices with Istio and Mutual TLS,” CNCF, 2021.

Keycloak Documentation, https://www.keycloak.org/documentation

GitHub - Java JWT Libraries, https://github.com/jwtk/jjwt

“Zero Trust Security for Microservices,” InfoQ, https://www.infoq.com/articles/zero-trust-microservices/

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Published

2025-06-24

Issue

Section

Articles

How to Cite

Zero-Trust Architecture in Java Microservices: https://www.academicpublishers.org/journals/index.php/ijns/article/view/5451. (2025). International Library of American Academic Publisher, 1(1), 202-214. https://americanacademicpub.com/index.php/ilaap/article/view/5

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