Securing API-Based Integrations in Federated Cloud Architectures: A Zero Trust Perspective

Aditya Ramaswamy
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Aditya Ramaswamy: IEEE Senior Member, United States

European Journal of Information Technologies and Computer Science, 2025, vol. 5, issue 4, 1-4

Abstract: This paper examines the implementation of zero trust security principles in API-based integrations within federated cloud architectures, with emphasis on enterprise financial and Human Capital Management (HCM) systems. As organizations increasingly adopt multi-cloud strategies, traditional perimeter-based security models fail to protect sensitive data flows across system boundaries. Drawing from implementation experience with Workday integrations to banking and payroll systems, we present a framework for securing API communications in federated environments. The approach encompasses robust identity verification, context-aware authorization, comprehensive encryption, continuous monitoring, and resilient integration design. Case studies demonstrate practical applications, highlighting security improvements and operational efficiencies. Recommendations for organizations transitioning toward zero trust architectures in their integration landscapes are provided.

Keywords: API Security; Cloud Integration; Federated Architecture; Zero Trust (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:epw:comput:v:5:y:2025:i:4:id:10154

DOI: 10.24018/compute.2025.5.4.154

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