Detection of the Compromising Audio Signal by Analyzing Its AM Demodulated Spectrum
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| Publicado en: | Symmetry vol. 16, no. 2 (2024), p. 209 |
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| Autor principal: | |
| Otros Autores: | , , , , |
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MDPI AG
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| Acceso en línea: | Citation/Abstract Full Text + Graphics Full Text - PDF |
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| 022 | |a 2073-8994 | ||
| 024 | 7 | |a 10.3390/sym16020209 |2 doi | |
| 035 | |a 3048722784 | ||
| 045 | 2 | |b d20240101 |b d20241231 | |
| 084 | |a 231635 |2 nlm | ||
| 100 | 1 | |a Alexandru Madalin Vizitiu |u Faculty of Electronics, Telecommunications and Information Technology, National University of Sciences and Technologies Politehnica Bucharest, 060042 Bucharest, Romania; <email>lidia.dobrescu@upb.ro</email> (L.D.); <email>bogdan.trip@stsnet.ro</email> (B.C.T.); <email>vlad.butnariu@stsnet.ro</email> (V.F.B.); <email>simona.halunga@upb.ro</email> (S.V.H.); The Special Telecommunications Service, 060044 Bucharest, Romania | |
| 245 | 1 | |a Detection of the Compromising Audio Signal by Analyzing Its AM Demodulated Spectrum | |
| 260 | |b MDPI AG |c 2024 | ||
| 513 | |a Journal Article | ||
| 520 | 3 | |a The information technology and communication (IT&C) market consists of computing and telecommunication technology systems, which also include a variety of audio devices. Preserving the confidentiality of transmitted information through these devices stands as a critical concern across various domains and businesses. Notably, spurious electromagnetic emanations emitted by audio devices can be captured and processed, potentially leading to eavesdropping incidents. The evaluation of electronic devices for potential security vulnerabilities often involves employing Transient Electromagnetic Pulse Emanation Standard (TEMPEST) technology. This paper introduces a novel approach to TEMPEST testing specifically tailored for audio devices. The outcomes of the proposed approach offer valuable insights into TEMPEST equipment testing, aiming to mitigate the potential risks posed by threats exploitable by eavesdroppers in everyday scenarios. The present work delves into the examination of two ubiquitous global electronic devices: a notebook and a pair of in-ear headphones. The symmetrical framework of this study arises from the intrinsic similarity that, despite belonging to distinct categories, both devices possess the capability to emit electromagnetic emissions that contain compromised audio signals. This assertion is substantiated by the measurement results presented herein. The proposed methodology involves the analysis of the audio amplitude modulation (AM) demodulated signal in the frequency domain. This innovative approach not only mitigates operator fatigue but also significantly reduces the testing time required for these devices and instrument running hours and leads to the development of new applications. | |
| 653 | |a Propagation | ||
| 653 | |a Fatigue | ||
| 653 | |a Eavesdropping | ||
| 653 | |a Testing time | ||
| 653 | |a Headphones | ||
| 653 | |a Communication | ||
| 653 | |a Electronic devices | ||
| 653 | |a Emission | ||
| 653 | |a Information technology | ||
| 653 | |a Fatigue tests | ||
| 653 | |a Audio signals | ||
| 653 | |a Spectrum allocation | ||
| 653 | |a Audio data | ||
| 653 | |a Classified information | ||
| 653 | |a Electromagnetic pulses | ||
| 653 | |a Amplitude modulation | ||
| 700 | 1 | |a Dobrescu, Lidia |u Faculty of Electronics, Telecommunications and Information Technology, National University of Sciences and Technologies Politehnica Bucharest, 060042 Bucharest, Romania; <email>lidia.dobrescu@upb.ro</email> (L.D.); <email>bogdan.trip@stsnet.ro</email> (B.C.T.); <email>vlad.butnariu@stsnet.ro</email> (V.F.B.); <email>simona.halunga@upb.ro</email> (S.V.H.) | |
| 700 | 1 | |a Trip, Bogdan Catalin |u Faculty of Electronics, Telecommunications and Information Technology, National University of Sciences and Technologies Politehnica Bucharest, 060042 Bucharest, Romania; <email>lidia.dobrescu@upb.ro</email> (L.D.); <email>bogdan.trip@stsnet.ro</email> (B.C.T.); <email>vlad.butnariu@stsnet.ro</email> (V.F.B.); <email>simona.halunga@upb.ro</email> (S.V.H.); The Special Telecommunications Service, 060044 Bucharest, Romania | |
| 700 | 1 | |a Vlad Florian Butnariu |u Faculty of Electronics, Telecommunications and Information Technology, National University of Sciences and Technologies Politehnica Bucharest, 060042 Bucharest, Romania; <email>lidia.dobrescu@upb.ro</email> (L.D.); <email>bogdan.trip@stsnet.ro</email> (B.C.T.); <email>vlad.butnariu@stsnet.ro</email> (V.F.B.); <email>simona.halunga@upb.ro</email> (S.V.H.); The Special Telecommunications Service, 060044 Bucharest, Romania | |
| 700 | 1 | |a Molder, Cristian |u Center of Excellence in Robotics and Autonomous Systems—CERAS, “Ferdinand I” Military Technical Academy, 050141 Bucharest, Romania; <email>cristian.molder@mta.ro</email> | |
| 700 | 1 | |a Halunga, Simona Viorica |u Faculty of Electronics, Telecommunications and Information Technology, National University of Sciences and Technologies Politehnica Bucharest, 060042 Bucharest, Romania; <email>lidia.dobrescu@upb.ro</email> (L.D.); <email>bogdan.trip@stsnet.ro</email> (B.C.T.); <email>vlad.butnariu@stsnet.ro</email> (V.F.B.); <email>simona.halunga@upb.ro</email> (S.V.H.) | |
| 773 | 0 | |t Symmetry |g vol. 16, no. 2 (2024), p. 209 | |
| 786 | 0 | |d ProQuest |t Engineering Database | |
| 856 | 4 | 1 | |3 Citation/Abstract |u https://www.proquest.com/docview/3048722784/abstract/embedded/75I98GEZK8WCJMPQ?source=fedsrch |
| 856 | 4 | 0 | |3 Full Text + Graphics |u https://www.proquest.com/docview/3048722784/fulltextwithgraphics/embedded/75I98GEZK8WCJMPQ?source=fedsrch |
| 856 | 4 | 0 | |3 Full Text - PDF |u https://www.proquest.com/docview/3048722784/fulltextPDF/embedded/75I98GEZK8WCJMPQ?source=fedsrch |