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Identity Control Plane: The Unifying Layer for Zero Trust Infrastructure

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arxiv 2504.17759 v1 pith:FNUWWZFY submitted 2025-04-24 cs.CR cs.SE

classification cs.CRcs.SE
keywords identityarchitecturalautomationcontrolinfrastructurelayerplanetokens
verification ladder T0 review T1 audit T2 compute T3 formal
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This paper introduces the Identity Control Plane (ICP), an architectural framework for enforcing identity-aware Zero Trust access across human users, workloads, and automation systems. The ICP model unifies SPIFFE-based workload identity, OIDC/SAML user identity, and scoped automation credentials via broker-issued transaction tokens. We propose a composable enforcement layer using ABAC policy engines (e.g., OPA, Cedar), aligned with IETF WIMSE drafts and OAuth transaction tokens. The paper includes architectural components, integration patterns, use cases, a comparative analysis with current models, and theorized performance metrics. A FedRAMP and SLSA compliance mapping is also presented. This is a theoretical infrastructure architecture paper intended for security researchers and platform architects. No prior version of this work has been published.

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Cited by 1 Pith paper

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  1. Say What You Mean: Natural Language Access Control with Large Language Models for Internet of Things

    cs.CL 2025-05 conditional novelty 5.0 of 10

    LACE is a hybrid LLM-RAG-OPA framework that generates and verifies natural-language IoT access-control policies and reports up to 88% decision accuracy in smart-home evaluations.

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