This repository contains the implementation for When Machine Unlearning Jeopardizes Privacy (CCS 2021).
To run the code, you need first download the dataset, then train target models and shadow models, in the end, launch the attack in our paper.
conda create --name unlearningleaks python=3.9
conda activate unlearningleaks
pip3 install sklearn pandas opacus tqdm psutil
pip3 install torch==1.10.1+cu111 torchvision==0.11.2+cu111 torchaudio==0.10.1+cu111 -f https://download.pytorch.org/whl/cu111/torch_stable.html
.
├── LICENSE
├── __init__.py
├── config.py
├── data_prepare.py
├── exp.py
├── lib_unlearning
│ ├── attack.py
│ ├── construct_feature.py
│ └── record_split.py
├── main.py
├── models.py
├── parameter_parser.py
├── readme.md
├── temp_data
│ ├── attack_data
│ ├── attack_models
│ ├── dataset
│ ├── processed_dataset
│ ├── shadow_models
│ ├── split_indices
│ └── target_models
└── utils.py
- Location originally comes from walk2friends: Inferring Social Links from Mobility Profiles.
- Adult originally comes from “Scaling Up the Accuracy of Naive-Bayes Classifiers: a Decision-Tree Hybrid.”, or Kaggle link.
- Accident originally comes from “Accident Risk Prediction based on Heterogeneous Sparse Data: New Dataset and Insights.”, or Kaggle link.
- Three preprocessed categorical datasets can be found at Google Drive.
###### Step 1: Train Original and Unlearned Models ######
python main.py --exp model_train
###### Step 2: Membership Inference Attack under Different Settings ######
###### UnlearningLeaks in 'Retraining from scratch' ######
python main.py --exp mem_inf --unlearning_method scratch
###### UnlearningLeaks in 'SISA'
python main.py --exp model_train --unlearning_method sisa
python main.py --exp mem_inf --unlearning_method sisa
###### UnlearningLeaks in 'Multiple intermediate versions'
python main.py --exp mem_inf --samples_to_evaluate in_out_multi_version
###### UnlearningLeaks in 'Group Deletion'
python main.py --exp model_train --shadow_unlearning_num 10 --target_unlearning_num 10
python main.py --exp mem_inf --shadow_unlearning_num 10 --target_unlearning_num 10
###### UnlearningLeaks in 'Online Learning'
python main.py --exp model_train --samples_to_evaluate online_learning
python main.py --exp mem_inf --samples_to_evaluate online_learning
###### UnlearningLeaks against 'the remaining samples'
python main.py --exp mem_inf --samples_to_evaluate in_in
@inproceedings{chen2021unlearning,
author = {Min Chen and Zhikun Zhang and Tianhao Wang and Michael Backes and Mathias Humbert and Yang Zhang},
title = {When Machine Unlearning Jeopardizes Privacy},
booktitle = {{ACM} {SIGSAC} Conference on Computer and Communications Security (CCS)}
year = {2021}
}
[1] How to Combine Membership-Inference Attacks on Multiple Updated Models [Code]
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