EXPERIMENTAL TERMINAL FOR EVALUATION OF Wi-Fi SPATIAL IDENTIFICATION METHODS IN CRITICAL INFORMATION INFRASTRUCTURE AND ANALYSIS OF THE PRACTICAL EFFECT OF IMPLEMENTATION

Abstract

The article substantiates the concept and architecture of an experimental polygon for reproducible and safe
evaluation of spatial identification methods for Wi-Fi sources in critical information infrastructure (CII) environments.
The requirements for the polygon are formulated: controlled sensor topology, zones with shielding and intentional multipath, dynamic interference, as well as the possibility of safe implementation of typical attacks (rogue AP, evil twin,
deauthentication) outside productive contours. A system of metrics is proposed that integrates localization quality (mean
and median error, 95th percentile), detection and classification indicators (Precision, Recall, F1, ROC-AUC) and SOC
operational characteristics (mean time to detection, time to source localization, false positive rate, analyst working time).
The data collection protocol and rules for forming training and test subsets taking into account the drift of the radio
environment are described. Separately, a model for assessing the practical effect of implementation is presented, which
links technical metrics with the risk of incidents, downtime of services and response costs. It is experimentally shown
that hybrid localization methods provide a median error of 1.12 m versus 2.7 m for classical RSSI trilateration, and the
hybrid attack detector achieves ROC-AUC of 0.962. The results are suitable for testing, implementation in the CII and
preparation of materials according to the requirements of professional publications.
Keywords: Wi-Fi cybersecurity; critical information infrastructure; spatial localization; experimental polygon;
rogue AP detection; SOC; performance metrics.

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