MisGUIDE : Defense Against Data-Free Deep Learning Model Extraction

• URL: http://arxiv.org/abs/2403.18580v1
• Date: Wed, 27 Mar 2024 13:59:21 GMT
• Title: MisGUIDE : Defense Against Data-Free Deep Learning Model Extraction
• Authors: Mahendra Gurve, Sankar Behera, Satyadev Ahlawat, Yamuna Prasad,
• Abstract summary: "MisGUIDE" is a two-step defense framework for Deep Learning models that disrupts the adversarial sample generation process. The aim of the proposed defense method is to reduce the accuracy of the cloned model while maintaining accuracy on authentic queries.
• Score: 0.8437187555622164
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The rise of Machine Learning as a Service (MLaaS) has led to the widespread deployment of machine learning models trained on diverse datasets. These models are employed for predictive services through APIs, raising concerns about the security and confidentiality of the models due to emerging vulnerabilities in prediction APIs. Of particular concern are model cloning attacks, where individuals with limited data and no knowledge of the training dataset manage to replicate a victim model's functionality through black-box query access. This commonly entails generating adversarial queries to query the victim model, thereby creating a labeled dataset. This paper proposes "MisGUIDE", a two-step defense framework for Deep Learning models that disrupts the adversarial sample generation process by providing a probabilistic response when the query is deemed OOD. The first step employs a Vision Transformer-based framework to identify OOD queries, while the second step perturbs the response for such queries, introducing a probabilistic loss function to MisGUIDE the attackers. The aim of the proposed defense method is to reduce the accuracy of the cloned model while maintaining accuracy on authentic queries. Extensive experiments conducted on two benchmark datasets demonstrate that the proposed framework significantly enhances the resistance against state-of-the-art data-free model extraction in black-box settings.

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