Information leakage and recovery from multiple LCDs

Dong Hoon Choi; Ho Seong Lee; Jong Gwan Yook

doi:10.1109/ISEMC.2018.8393946

Information leakage and recovery from multiple LCDs

Dong Hoon Choi, Ho Seong Lee, Jong Gwan Yook

Department of Electrical and Electronic Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

Unintentional electromagnetic waves leak out from a liquid crystal display (LCD) monitor, which is the main output device of a computer. When the leaked signal is recovered, the display information of target monitor can be interpreted. Because leakage electromagnetic waves which include video signal information occur in the hardware system after the video signal processor of the LCD monitor radiation band is dependent on the clock frequency. In this paper, a method to distinguish the leaked information from two target monitors which have different refresh rate is proposed.

Original language	English
Title of host publication	2018 IEEE International Symposium on Electromagnetic Compatibility and 2018 IEEE Asia-Pacific Symposium on Electromagnetic Compatibility, EMC/APEMC 2018
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1053-1055
Number of pages	3
ISBN (Electronic)	9781509059973
DOIs	https://doi.org/10.1109/ISEMC.2018.8393946
Publication status	Published - 2018 Jun 22
Event	60th IEEE International Symposium on Electromagnetic Compatibility and 9th IEEE Asia-Pacific Symposium on Electromagnetic Compatibility, EMC/APEMC 2018 - Suntec City, Singapore Duration: 2018 May 14 → 2018 May 18

Publication series

Name	2018 IEEE International Symposium on Electromagnetic Compatibility and 2018 IEEE Asia-Pacific Symposium on Electromagnetic Compatibility, EMC/APEMC 2018

Other

Other	60th IEEE International Symposium on Electromagnetic Compatibility and 9th IEEE Asia-Pacific Symposium on Electromagnetic Compatibility, EMC/APEMC 2018
Country	Singapore
City	Suntec City
Period	18/5/14 → 18/5/18

Bibliographical note

Publisher Copyright:
© 2018 IEEE.

All Science Journal Classification (ASJC) codes

Aerospace Engineering
Electrical and Electronic Engineering
Safety, Risk, Reliability and Quality
Radiation

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10.1109/ISEMC.2018.8393946

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Choi, D. H., Lee, H. S., & Yook, J. G. (2018). Information leakage and recovery from multiple LCDs. In 2018 IEEE International Symposium on Electromagnetic Compatibility and 2018 IEEE Asia-Pacific Symposium on Electromagnetic Compatibility, EMC/APEMC 2018 (pp. 1053-1055). (2018 IEEE International Symposium on Electromagnetic Compatibility and 2018 IEEE Asia-Pacific Symposium on Electromagnetic Compatibility, EMC/APEMC 2018). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ISEMC.2018.8393946

Choi, Dong Hoon ; Lee, Ho Seong ; Yook, Jong Gwan. / Information leakage and recovery from multiple LCDs. 2018 IEEE International Symposium on Electromagnetic Compatibility and 2018 IEEE Asia-Pacific Symposium on Electromagnetic Compatibility, EMC/APEMC 2018. Institute of Electrical and Electronics Engineers Inc., 2018. pp. 1053-1055 (2018 IEEE International Symposium on Electromagnetic Compatibility and 2018 IEEE Asia-Pacific Symposium on Electromagnetic Compatibility, EMC/APEMC 2018).

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title = "Information leakage and recovery from multiple LCDs",

abstract = "Unintentional electromagnetic waves leak out from a liquid crystal display (LCD) monitor, which is the main output device of a computer. When the leaked signal is recovered, the display information of target monitor can be interpreted. Because leakage electromagnetic waves which include video signal information occur in the hardware system after the video signal processor of the LCD monitor radiation band is dependent on the clock frequency. In this paper, a method to distinguish the leaked information from two target monitors which have different refresh rate is proposed.",

author = "Choi, {Dong Hoon} and Lee, {Ho Seong} and Yook, {Jong Gwan}",

note = "Publisher Copyright: {\textcopyright} 2018 IEEE.; 60th IEEE International Symposium on Electromagnetic Compatibility and 9th IEEE Asia-Pacific Symposium on Electromagnetic Compatibility, EMC/APEMC 2018 ; Conference date: 14-05-2018 Through 18-05-2018",

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Choi, DH, Lee, HS & Yook, JG 2018, Information leakage and recovery from multiple LCDs. in 2018 IEEE International Symposium on Electromagnetic Compatibility and 2018 IEEE Asia-Pacific Symposium on Electromagnetic Compatibility, EMC/APEMC 2018. 2018 IEEE International Symposium on Electromagnetic Compatibility and 2018 IEEE Asia-Pacific Symposium on Electromagnetic Compatibility, EMC/APEMC 2018, Institute of Electrical and Electronics Engineers Inc., pp. 1053-1055, 60th IEEE International Symposium on Electromagnetic Compatibility and 9th IEEE Asia-Pacific Symposium on Electromagnetic Compatibility, EMC/APEMC 2018, Suntec City, Singapore, 18/5/14. https://doi.org/10.1109/ISEMC.2018.8393946

Information leakage and recovery from multiple LCDs. / Choi, Dong Hoon; Lee, Ho Seong; Yook, Jong Gwan.

2018 IEEE International Symposium on Electromagnetic Compatibility and 2018 IEEE Asia-Pacific Symposium on Electromagnetic Compatibility, EMC/APEMC 2018. Institute of Electrical and Electronics Engineers Inc., 2018. p. 1053-1055 (2018 IEEE International Symposium on Electromagnetic Compatibility and 2018 IEEE Asia-Pacific Symposium on Electromagnetic Compatibility, EMC/APEMC 2018).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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PY - 2018/6/22

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N2 - Unintentional electromagnetic waves leak out from a liquid crystal display (LCD) monitor, which is the main output device of a computer. When the leaked signal is recovered, the display information of target monitor can be interpreted. Because leakage electromagnetic waves which include video signal information occur in the hardware system after the video signal processor of the LCD monitor radiation band is dependent on the clock frequency. In this paper, a method to distinguish the leaked information from two target monitors which have different refresh rate is proposed.

AB - Unintentional electromagnetic waves leak out from a liquid crystal display (LCD) monitor, which is the main output device of a computer. When the leaked signal is recovered, the display information of target monitor can be interpreted. Because leakage electromagnetic waves which include video signal information occur in the hardware system after the video signal processor of the LCD monitor radiation band is dependent on the clock frequency. In this paper, a method to distinguish the leaked information from two target monitors which have different refresh rate is proposed.

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Choi DH, Lee HS, Yook JG. Information leakage and recovery from multiple LCDs. In 2018 IEEE International Symposium on Electromagnetic Compatibility and 2018 IEEE Asia-Pacific Symposium on Electromagnetic Compatibility, EMC/APEMC 2018. Institute of Electrical and Electronics Engineers Inc. 2018. p. 1053-1055. (2018 IEEE International Symposium on Electromagnetic Compatibility and 2018 IEEE Asia-Pacific Symposium on Electromagnetic Compatibility, EMC/APEMC 2018). https://doi.org/10.1109/ISEMC.2018.8393946

Information leakage and recovery from multiple LCDs

Abstract

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Bibliographical note

All Science Journal Classification (ASJC) codes

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