Qure

Quantum Machine Learning Optimization Approach to Network Traffic Anomaly Detection

2024. Co-authored with Barisi Nuka. National Quantum Literacy Network (NQLN). Produced for the U.S. Department of Defense.

White Paper

DISCLAIMER: QURE WAS PRODUCED AS A WHITE PAPER FOR THE U.S. DEPARTMENT OF DEFENSE ON BEHALF OF THE NQLN.

Abstract

Qure is SeQure narrowed to a point. Rather than propose an entire security suite, we took its most load-bearing organ, anomaly detection in network traffic, and asked one answerable question: which quantum machine learning algorithm actually does it best? Failure here is how intrusions live undetected inside a network, so the study judged three candidates on what a defender actually feels: quantum K-means clustering, quantum K-medians, and quantum-enhanced support vector machines, measured for speed to detect and for sensitivity to the faint, almost-normal traffic where real attacks hide.

Findings

Quantum K-means wins, and not narrowly. On the published benchmark we analyzed, the quantum approach beat its classical counterpart on every metric at once: accuracy, precision, sensitivity, specificity, F1. Sensitivity, catching more of what is actually wrong, matters most in defense, and it's where quantum pulled furthest ahead. Quantum K-medians added an exponential speedup over classical clustering's runtime, and because quantum K-means learns unsupervised it runs on unlabeled traffic, the only kind a real network produces at scale. All of it is implementable in Qiskit on the noisy quantum hardware that exists today. The answer we handed over is concrete: the quantum advantage in security isn't a decade away, it's an optimization choice available now.