Search Results for author: Muhammad Ahmad Kaleem

Found 5 papers, 2 papers with code

Memorization in Self-Supervised Learning Improves Downstream Generalization

1 code implementation19 Jan 2024 Wenhao Wang, Muhammad Ahmad Kaleem, Adam Dziedzic, Michael Backes, Nicolas Papernot, Franziska Boenisch

Our definition compares the difference in alignment of representations for data points and their augmented views returned by both encoders that were trained on these data points and encoders that were not.

Memorization Self-Supervised Learning

Dataset Inference for Self-Supervised Models

no code implementations16 Sep 2022 Adam Dziedzic, Haonan Duan, Muhammad Ahmad Kaleem, Nikita Dhawan, Jonas Guan, Yannis Cattan, Franziska Boenisch, Nicolas Papernot

We introduce a new dataset inference defense, which uses the private training set of the victim encoder model to attribute its ownership in the event of stealing.

Attribute Density Estimation

On the Difficulty of Defending Self-Supervised Learning against Model Extraction

1 code implementation16 May 2022 Adam Dziedzic, Nikita Dhawan, Muhammad Ahmad Kaleem, Jonas Guan, Nicolas Papernot

We construct several novel attacks and find that approaches that train directly on a victim's stolen representations are query efficient and enable high accuracy for downstream models.

Model extraction Self-Supervised Learning

Increasing the Cost of Model Extraction with Calibrated Proof of Work

no code implementations ICLR 2022 Adam Dziedzic, Muhammad Ahmad Kaleem, Yu Shen Lu, Nicolas Papernot

Since we calibrate the effort required to complete the proof-of-work to each query, this only introduces a slight overhead for regular users (up to 2x).

BIG-bench Machine Learning Model extraction

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