Publication Date
11-5-2024
Document Type
Conference Proceeding
Publication Title
Proceedings of the Annual Conference of the Prognostics and Health Management Society, PHM
Volume
16
Issue
1
DOI
10.36001/phmconf.2024.v16i1.4082
Abstract
The emergence of deep learning models has revolutionized various industries over the last decade, leading to a surge in connected devices and infrastructures. However, these models can be tricked into making incorrect predictions with high confidence, leading to disastrous failures and security concerns. To this end, we explore the impact of adversarial attacks on multivariate time-series forecasting and investigate methods to counter them. Specifically, we employ untargeted white-box attacks, namely the Fast Gradient Sign Method (FGSM) and the Basic Iterative Method (BIM), to poison the inputs to the training process, effectively misleading the model. We also illustrate the subtle modifications to the inputs after the attack, which makes detecting the attack using the naked eye quite difficult. Having demonstrated the feasibility of these attacks, we develop robust models through adversarial training and model hardening. We are among the first to showcase the transferability of these attacks and defenses by extrapolating our work from the benchmark electricity data to a larger, 10-year real-world data used for predicting the time-to-failure of hard disks. Our experimental results confirm that the attacks and defenses achieve the desired security thresholds, leading to a 72.41% and 94.81% decrease in RMSE for the electricity and hard disk datasets respectively after implementing the adversarial defenses.
Funding Number
23-UGA-08-044
Creative Commons License
This work is licensed under a Creative Commons Attribution 3.0 License.
Department
Computer Science
Recommended Citation
Pooja Krishan, Rohan Mohapatra, Sanchari Das, and Saptarshi Sengupta. "Adversarial Attacks and Defenses in Multivariate Time-Series Forecasting for Smart and Connected Infrastructures" Proceedings of the Annual Conference of the Prognostics and Health Management Society, PHM (2024). https://doi.org/10.36001/phmconf.2024.v16i1.4082
