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My(o) Armband Leaks Passwords: An EMG and IMU Based Keylogging Side-Channel Attack

Gazzari, Matthias ; Mattmann, Annemarie ; Maass, Max ; Hollick, Matthias (2022)
My(o) Armband Leaks Passwords: An EMG and IMU Based Keylogging Side-Channel Attack.
In: Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies, 5 (4)
doi: 10.26083/tuprints-00020660
Artikel, Zweitveröffentlichung, Postprint

Kurzbeschreibung (Abstract)

Wearables that constantly collect various sensor data of their users increase the chances for inferences of unintentional and sensitive information such as passwords typed on a physical keyboard. We take a thorough look at the potential of using electromyographic (EMG) data, a sensor modality which is new to the market but has lately gained attention in the context of wearables for augmented reality (AR), for a keylogging side-channel attack. Our approach is based on neural networks for a between-subject attack in a realistic scenario using the Myo Armband to collect the sensor data. In our approach, the EMG data has proven to be the most prominent source of information compared to the accelerometer and gyroscope, increasing the keystroke detection performance. For our end-to-end approach on raw data, we report a mean balanced accuracy of about 76 % for the keystroke detection and a mean top-3 key accuracy of about 32 % on 52 classes for the key identification on passwords of varying strengths. We have created an extensive dataset including more than 310 000 keystrokes recorded from 37 volunteers, which is available as open access along with the source code used to create the given results.

Typ des Eintrags: Artikel
Erschienen: 2022
Autor(en): Gazzari, Matthias ; Mattmann, Annemarie ; Maass, Max ; Hollick, Matthias
Art des Eintrags: Zweitveröffentlichung
Titel: My(o) Armband Leaks Passwords: An EMG and IMU Based Keylogging Side-Channel Attack
Sprache: Englisch
Publikationsjahr: 2022
Verlag: ACM
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies
Jahrgang/Volume einer Zeitschrift: 5
(Heft-)Nummer: 4
Kollation: 24 Seiten
DOI: 10.26083/tuprints-00020660
URL / URN: https://tuprints.ulb.tu-darmstadt.de/20660
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Herkunft: Zweitveröffentlichungsservice
Kurzbeschreibung (Abstract):

Wearables that constantly collect various sensor data of their users increase the chances for inferences of unintentional and sensitive information such as passwords typed on a physical keyboard. We take a thorough look at the potential of using electromyographic (EMG) data, a sensor modality which is new to the market but has lately gained attention in the context of wearables for augmented reality (AR), for a keylogging side-channel attack. Our approach is based on neural networks for a between-subject attack in a realistic scenario using the Myo Armband to collect the sensor data. In our approach, the EMG data has proven to be the most prominent source of information compared to the accelerometer and gyroscope, increasing the keystroke detection performance. For our end-to-end approach on raw data, we report a mean balanced accuracy of about 76 % for the keystroke detection and a mean top-3 key accuracy of about 32 % on 52 classes for the key identification on passwords of varying strengths. We have created an extensive dataset including more than 310 000 keystrokes recorded from 37 volunteers, which is available as open access along with the source code used to create the given results.

Status: Postprint
URN: urn:nbn:de:tuda-tuprints-206608
Zusätzliche Informationen:

Keywords: Keylogging, Keystroke Inference, Side-channel Attacks, Privacy, Electromyography, EMG, Wearables, Deep Learning, Time Series Classification

Sachgruppe der Dewey Dezimalklassifikatin (DDC): 000 Allgemeines, Informatik, Informationswissenschaft > 004 Informatik
Fachbereich(e)/-gebiet(e): 20 Fachbereich Informatik
20 Fachbereich Informatik > Sichere Mobile Netze
DFG-Graduiertenkollegs
DFG-Graduiertenkollegs > Graduiertenkolleg 2050 Privacy and Trust for Mobile Users
LOEWE
LOEWE > LOEWE-Zentren
LOEWE > LOEWE-Zentren > CRISP - Center for Research in Security and Privacy
Zentrale Einrichtungen
Zentrale Einrichtungen > Hochschulrechenzentrum (HRZ)
Zentrale Einrichtungen > Hochschulrechenzentrum (HRZ) > Hochleistungsrechner
Hinterlegungsdatum: 18 Feb 2022 13:06
Letzte Änderung: 21 Feb 2022 11:21
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