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Prediction Poisoning: Towards Defenses Against DNN Model Stealing Attacks

conference contribution
posted on 2023-11-29, 18:12 authored by Tribhuvanesh Orekondy, Bernt Schiele, Mario FritzMario Fritz
High-performance Deep Neural Networks (DNNs) are increasingly deployed in many real-world applications e.g., cloud prediction APIs. Recent advances in model functionality stealing attacks via black-box access (i.e., inputs in, predictions out) threaten the business model of such applications, which require a lot of time, money, and effort to develop. Existing defenses take a passive role against stealing attacks, such as by truncating predicted information. We find such passive defenses ineffective against DNN stealing attacks. In this paper, we propose the first defense which actively perturbs predictions targeted at poisoning the training objective of the attacker. We find our defense effective across a wide range of challenging datasets and DNN model stealing attacks, and additionally outperforms existing defenses. Our defense is the first that can withstand highly accurate model stealing attacks for tens of thousands of queries, amplifying the attacker's error rate up to a factor of 85× with minimal impact on the utility for benign users.

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Preferred Citation

Tribhuvanesh Orekondy, Bernt Schiele and Mario Fritz. Prediction Poisoning: Towards Defenses Against DNN Model Stealing Attacks. In: International Conference on Learning Representations (ICLR). 2020.

Primary Research Area

  • Trustworthy Information Processing

Secondary Research Area

  • Threat Detection and Defenses

Name of Conference

International Conference on Learning Representations (ICLR)

Legacy Posted Date

2020-01-12

Open Access Type

  • Gold

BibTeX

@inproceedings{cispa_all_3012, title = "Prediction Poisoning: Towards Defenses Against DNN Model Stealing Attacks", author = "Orekondy, Tribhuvanesh and Schiele, Bernt and Fritz, Mario", booktitle="{International Conference on Learning Representations (ICLR)}", year="2020", }

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