Open Access

Improving JWT Security Through Dynamic Token Binding and Behavioral Context Analysis

https://doi.org/10.55640/ijctisn-v03i09-02

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Hiroshi Tanaka ¹ , Yuki Nakamura ¹ ,

⁴ Department of Emerging Engineering Systems, Japan Institute of Advanced Technology, Japan

⁴ Faculty of Intelligent Engineering Technologies, Tokyo Institute of Engineering, Japan

Abstract

JSON Web Tokens (JWTs) provide a compact and scalable mechanism for representing authentication and authorization claims across distributed applications, APIs, cloud services, and connected-device environments. However, conventional JWT security frequently depends on static claims and bearer-token semantics, creating a fundamental weakness: possession of a valid token may be sufficient for access even when the surrounding behavioral context has changed. This research proposes a conceptual security framework that combines dynamic token binding with behavioral context analysis to strengthen JWT-based authentication. The proposed approach associates tokens with contextual attributes such as device identity, access environment, request behavior, temporal characteristics, and interaction patterns, while continuously evaluating whether subsequent requests remain consistent with the context established during authentication. The methodological foundation draws upon contextual and continuous-monitoring principles demonstrated in connected healthcare, wearable sensing, Internet of Things (IoT), and remote patient-monitoring research. These studies demonstrate the security and operational value of collecting contextual information from distributed devices and continuously interpreting changing conditions (Clifford, 2012; Pantelopoulos, 2010; Patel, 2012). The framework extends these principles to JWT security by introducing contextual verification, adaptive token confidence, and risk-sensitive validation. The analysis indicates that dynamic binding can reduce the usefulness of stolen or replayed tokens, while behavioral analysis can identify anomalous use even when cryptographic token validation succeeds. The resulting model provides a conceptual pathway toward more adaptive JWT security without abandoning the scalability advantages of token-based authentication.

Keywords

JSON Web Token, JWT Security, Dynamic Token Binding, Behavioral Context Analysis

References

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Abstract

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