rCamInspector: Building Reliability and Trust on IoT (Spy) Camera Detection using XAI
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arXiv
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| Format: | Preprint |
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2025
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| author | Chaudhary, Priyanka Rushikesh Gupta, Manan Christopher, Jabez Charan, Putrevu Venkata Sai Maiti, Rajib Ranjan |
| author_facet | Chaudhary, Priyanka Rushikesh Gupta, Manan Christopher, Jabez Charan, Putrevu Venkata Sai Maiti, Rajib Ranjan |
| contents | The classification of network traffic using machine learning (ML) models is one of the primary mechanisms to address the security issues in IoT networks and/or IoT devices. However, the ML models often act as black-boxes that create a roadblock to take critical decision based on the model output. To address this problem, we design and develop a system, called rCamInspector, that employs Explainable AI (XAI) to provide reliable and trustworthy explanations to model output. rCamInspector adopts two classifiers, Flow Classifier - categorizes a flow into one of four classes, IoTCam, Conf, Share and Others, and SmartCam Classifier - classifies an IoTCam flow into one of six classes, Netatmo, Spy Clock, Canary, D3D, Ezviz, V380 Spy Bulb; both are IP address and transport port agnostic. rCamInspector is evaluated using 38GB of network traffic and our results show that XGB achieves the highest accuracy of 92% and 99% in the Flow and SmartCam classifiers respectively among eight supervised ML models. We analytically show that the traditional mutual information (MI) based feature importance cannot provide enough reliability on the model output of XGB in either classifiers. Using SHAP and LIME, we show that a separate set of features can be picked up to explain a correct prediction of XGB. For example, the feature Init Bwd Win Byts turns out to have the highest SHAP values to support the correct prediction of both IoTCam in Flow Classifier and Netatmo class in SmartCam Classifier. To evaluate the faithfulness of the explainers on our dataset, we show that both SHAP and LIME have a consistency of more than 0.7 and a sufficiency of 1.0. Comparing with existing works, we show that rCamInspector achieves a better accuracy (99%), precision (99%), and false negative rate (0.7%). |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_09989 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | rCamInspector: Building Reliability and Trust on IoT (Spy) Camera Detection using XAI Chaudhary, Priyanka Rushikesh Gupta, Manan Christopher, Jabez Charan, Putrevu Venkata Sai Maiti, Rajib Ranjan Cryptography and Security The classification of network traffic using machine learning (ML) models is one of the primary mechanisms to address the security issues in IoT networks and/or IoT devices. However, the ML models often act as black-boxes that create a roadblock to take critical decision based on the model output. To address this problem, we design and develop a system, called rCamInspector, that employs Explainable AI (XAI) to provide reliable and trustworthy explanations to model output. rCamInspector adopts two classifiers, Flow Classifier - categorizes a flow into one of four classes, IoTCam, Conf, Share and Others, and SmartCam Classifier - classifies an IoTCam flow into one of six classes, Netatmo, Spy Clock, Canary, D3D, Ezviz, V380 Spy Bulb; both are IP address and transport port agnostic. rCamInspector is evaluated using 38GB of network traffic and our results show that XGB achieves the highest accuracy of 92% and 99% in the Flow and SmartCam classifiers respectively among eight supervised ML models. We analytically show that the traditional mutual information (MI) based feature importance cannot provide enough reliability on the model output of XGB in either classifiers. Using SHAP and LIME, we show that a separate set of features can be picked up to explain a correct prediction of XGB. For example, the feature Init Bwd Win Byts turns out to have the highest SHAP values to support the correct prediction of both IoTCam in Flow Classifier and Netatmo class in SmartCam Classifier. To evaluate the faithfulness of the explainers on our dataset, we show that both SHAP and LIME have a consistency of more than 0.7 and a sufficiency of 1.0. Comparing with existing works, we show that rCamInspector achieves a better accuracy (99%), precision (99%), and false negative rate (0.7%). |
| title | rCamInspector: Building Reliability and Trust on IoT (Spy) Camera Detection using XAI |
| topic | Cryptography and Security |
| url | https://arxiv.org/abs/2509.09989 |