Stealthy Cyber Anomaly Detection On Large Noisy Multi-material 3D Printer Datasets Using Probabilistic Models

Srikanth Yoginath, Michael Iannacone, Varisara Tansakul, Ali Passian, Rob Jordan, Joel Asiamah, M. Nance Ericson, Gavin Long, Joel A. Dawson

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

As Additive Layer Manufacturing (ALM) becomes pervasive in industry, its applications in safety critical component manufacturing are being explored and adopted. However, ALM's reliance on embedded computing renders it vulnerable to tampering through cyber-attacks. Sensor instrumentation of ALM devices allows for rigorous process and security monitoring, but also results in a massive volume of noisy data for each run. As such, in-situ, near-real-time anomaly detection is very challenging. The ideal algorithm for this context is simple, computationally efficient, minimizes false positives, and is accurate enough to resolve small deviations. In this paper, we present a probabilistic-model-based approach to address this challenge. To test our approach, we analyze current measurements from a polymer composite 3D printer during emulated tampering attacks. Our results show that our approach can consistently and efficiently locate small changes in the presence of substantial operational noise.

Original languageEnglish
Title of host publicationAMSec 2022 - Proceedings of the 2022 ACM CCS Workshop on Additive Manufacturing ,3D Printing Security, co-located with CCS 2022
PublisherAssociation for Computing Machinery, Inc
Pages25-38
Number of pages14
ISBN (Electronic)9781450398831
DOIs
StatePublished - Nov 11 2022
Event2022 ACM CCS Workshop on Additive Manufacturing ,3D Printing Security, AMSec 2022 - Co-located with CCS 2022 - Los Angeles, United States
Duration: Nov 11 2022 → …

Publication series

NameAMSec 2022 - Proceedings of the 2022 ACM CCS Workshop on Additive Manufacturing ,3D Printing Security, co-located with CCS 2022

Conference

Conference2022 ACM CCS Workshop on Additive Manufacturing ,3D Printing Security, AMSec 2022 - Co-located with CCS 2022
Country/TerritoryUnited States
CityLos Angeles
Period11/11/22 → …

Funding

This manuscript has been authored by UT-Battelle, LLC, under contract DE-AC05-00OR22725 with the US Department of Energy (DOE). The US government retains and the publisher, by accepting the article for publication, acknowledges that the US government retains a nonexclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for US government purposes. DOE will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan (http://energy.gov/downloads/doe-public-access-plan).

FundersFunder number
U.S. Department of Energy

    Keywords

    • additive layer manufacturing
    • anomaly detection
    • bayesian inference
    • cyber-physical system security
    • markov chain monte carlo

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