2022
DOI: 10.48550/arxiv.2203.00928
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Video is All You Need: Attacking PPG-based Biometric Authentication

Abstract: Unobservable physiological signals enhance biometric authentication systems. Photoplethysmography (PPG) signals are convenient owning to its ease of measurement and are usually well protected against remote adversaries in authentication. Any leaked PPG signals help adversaries compromise the biometric authentication systems, and the advent of remote PPG (rPPG) enables adversaries to acquire PPG signals through restoration. While potentially dangerous, rPPG-based attacks are overlooked because existing methods … Show more

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Cited by 1 publication
(5 citation statements)
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References 34 publications
(45 reference statements)
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“…In addition, as shown in Fig. 1, several studies have warned PAs may be performed on PPG-based biometric authentication using various PPG measurement sites on a victim's body and generating fake PPG signals to inject into the smartwatch as the authentication device [10], [16]. Seepers et al investigated a PA on PPG-based authentication using heartbeats estimated based on PPG recorded at the face using a camera [10].…”
Section: A Attacks On Physiological Signal-based Biometric Authentica...mentioning
confidence: 99%
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“…In addition, as shown in Fig. 1, several studies have warned PAs may be performed on PPG-based biometric authentication using various PPG measurement sites on a victim's body and generating fake PPG signals to inject into the smartwatch as the authentication device [10], [16]. Seepers et al investigated a PA on PPG-based authentication using heartbeats estimated based on PPG recorded at the face using a camera [10].…”
Section: A Attacks On Physiological Signal-based Biometric Authentica...mentioning
confidence: 99%
“…We also investigated a PPG waveform mapping method to generate fake signals based on frequency characteristics to improve PA [18]. In addition, Li et al proposed a waveform mapping method using PPG signals recorded at the face and a generative adversarial network (GAN) for a PA on PPG-based authentication [16]. Therefore, countermeasures are required against PAs by using waveform mapping techniques for PPG-based authentication.…”
Section: A Attacks On Physiological Signal-based Biometric Authentica...mentioning
confidence: 99%
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