TY - GEN
T1 - Analysis of information leakage from display devices with LCD
AU - Lee, Ho Seong
AU - Yook, Jong Gwan
AU - Sim, Kyuhong
N1 - Publisher Copyright:
© 2016 IEEE.
Copyright:
Copyright 2017 Elsevier B.V., All rights reserved.
PY - 2016/10/19
Y1 - 2016/10/19
N2 - This study confirms the possibility of information leakage from two typical display devices with liquid crystal display (LCD). The compromising electromagnetic emanations are measured by log periodic antenna and wideband receiver in various distances. Frequency bands of leaked signal related to display on monitor exist in the range of several hundred megahertz with about ten megahertz bandwidth, which are different as display devices. Measured emanated signal is recovered as display by signal processing technique using software. In this process, timing parameters that necessary to composition of display are detected and clear recovered image is achieved by averaging multiple frames. The tendency of information leakage according to distance and display composition is analyzed by recovering emanated electromagnetic.
AB - This study confirms the possibility of information leakage from two typical display devices with liquid crystal display (LCD). The compromising electromagnetic emanations are measured by log periodic antenna and wideband receiver in various distances. Frequency bands of leaked signal related to display on monitor exist in the range of several hundred megahertz with about ten megahertz bandwidth, which are different as display devices. Measured emanated signal is recovered as display by signal processing technique using software. In this process, timing parameters that necessary to composition of display are detected and clear recovered image is achieved by averaging multiple frames. The tendency of information leakage according to distance and display composition is analyzed by recovering emanated electromagnetic.
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U2 - 10.1109/URSIAP-RASC.2016.7601330
DO - 10.1109/URSIAP-RASC.2016.7601330
M3 - Conference contribution
AN - SCOPUS:84995468215
T3 - 2016 URSI Asia-Pacific Radio Science Conference, URSI AP-RASC 2016
SP - 1277
EP - 1280
BT - 2016 URSI Asia-Pacific Radio Science Conference, URSI AP-RASC 2016
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2016 URSI Asia-Pacific Radio Science Conference, URSI AP-RASC 2016
Y2 - 21 August 2016 through 25 August 2016
ER -