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Title: DeepFreeze : cold boot attacks and high fidelity model recovery on commercial EdgeML device
Authors: Won, Yoo-Seung
Chatterjee, Soham
Jap, Dirmanto
Basu, Arindam
Bhasin, Shivam
Keywords: Engineering::Electrical and electronic engineering::Computer hardware, software and systems
Issue Date: 2021
Source: Won, Y., Chatterjee, S., Jap, D., Basu, A. & Bhasin, S. (2021). DeepFreeze : cold boot attacks and high fidelity model recovery on commercial EdgeML device. 2021 IEEE/ACM International Conference On Computer Aided Design (ICCAD), 1-9.
Project: NRF2018NCR- NCR009-0001 
Abstract: EdgeML accelerators like Intel Neural Compute Stick 2 (NCS) can enable efficient edge-based inference with complex pre-trained models. The models are loaded in the host (like Raspberry Pi) and then transferred to NCS for inference. In this paper, we demonstrate practical and low-cost cold boot based model recovery attacks on NCS to recover the model architecture and weights, loaded from the Raspberry Pi. The architecture is recovered with 100% success and weights with an error rate of 0.04%. The recovered model reports maximum accuracy loss of 0.5% as compared to original model and allows high fidelity transfer of adversarial examples. We further extend our study to other cold boot attack setups reported in the literature with higher error rates leading to accuracy loss as high as 70%. We then propose a methodology based on knowledge distillation to correct the erroneous weights in recovered model, even without access to original training data. The proposed attack remains unaffected by the model encryption features of the OpenVINO and NCS framework.
ISBN: 9781665445078
DOI: 10.1109/ICCAD51958.2021.9643512
Rights: © 2021 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at:
Fulltext Permission: open
Fulltext Availability: With Fulltext
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