Two-Level Privacy-Preserving Framework: Federated Learning for Attack Detection in the Consumer Internet of Things
Abstract
As the adoption of Consumer Internet of Things (CIoT) devices surges, so do concerns about security vulnerabilities and privacy breaches. Given their integration into daily life and data collection capabilities, it is crucial to safeguard user privacy against unauthorized access and potential leaks proactively. Federated learning, an advanced machine learning, provides a promising solution by inherently prioritizing privacy, circumventing the need for centralized data collection, and bolstering security. Yet, federated learning opens up avenues for adversaries to extract critical information from the machine learning model through data leakage and model inference attacks targeted at the central server. In response to this particular concern, we present an innovative two-level privacy-preserving framework in this paper. This framework synergistically combines federated learning with partially homomorphic encryption, which we favor over other methods such as fully homomorphic encryption and differential privacy. Our preference for partially homomorphic encryption is based on its superior balance between computational efficiency and model performance. This advantage becomes particularly relevant when considering the intense computational demands of fully homomorphic encryption and the sacrifice to model accuracy often associated with differential privacy. Incorporating partially homomorphic encryption augments federated learning’s privacy assurance, introducing an additional…
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