VQC-ZTI: Variational Quantum Control for Zero Trust Protection of the Tactile Internet

• URL: http://arxiv.org/abs/2608.18572v2
• Date: Thu, 27 Aug 2026 15:34:39 GMT
• Title: VQC-ZTI: Variational Quantum Control for Zero Trust Protection of the Tactile Internet
• Abstract summary: Tactile Internet services couple cyber events directly to physical actuation, so security decisions improve risk discrimination without perturbing control path.<n>This paper presents VQCZTI, a split-plane framework for zero-trust protection of Tactile Internet services.
• Score: 1.0334649765057298
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Tactile Internet services couple cyber events directly to physical actuation, so security decisions must improve risk discrimination without perturbing the control path. This paper presents VQC-ZTI, a split-plane Variational Quantum Classifier framework for zero-trust protection of Tactile Internet services, in which an off-path VQC analyzes encrypted-flow telemetry while an on-path policy engine applies cached deterministic grant, restrict, step-up, and deny actions. By decoupling anomaly scoring from enforcement, VQC-ZTI preserves predictable control behavior and allows detector sensitivity and policy aggressiveness to be tuned independently. We evaluate the framework on CESNET-derived aggregated traffic using random, entity-group, and temporal holdouts with a hybrid PyTorch-PennyLane implementation. The full-hybrid Quantum Neural Network achieves mean areas under the receiver operating characteristic curve of 0.9981, 0.9974, and 0.9941 and reduces the false-positive rate relative to ExtraTrees by 44.6%, 49.6%, and 67.9%, respectively. A representative component-timing decomposition further illustrates that batched VQC scoring remains in the asynchronous evidence path rather than the immediate enforcement path.

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