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Paper Abstract and Keywords
Presentation 2015-07-02 11:30
Information Security in National Identification Number called My Number in Japan
Takeshi Niiyama, Toshiro Kita (Doshisha Univ.) ISEC2015-12 SITE2015-10 ICSS2015-22 EMM2015-20
Abstract (in Japanese) (See Japanese page) 
(in English) National Identification Number called "My Number" was passed by the House of Councilors on May 24th 2013. It will be effective from Jan 2016. The most significant concern is information leakage of My Number. In this paper, Information leakage incident oversea situation was researched and analyzed the situation. Through this research, some counter is proposed against the information leakage incidents of My Number.
Alessandro Acquisti et al reported at Black Hat 2012 that SSN (Social Security Number) is defined using facial identification. Anyone could not assume that SSN was identified using picture on Facebook. By using Google research for 10 hour for each foreign country, there were 34 information leakage incidents of Resident Registration Code (RRC) -called Juki-Net in Japan, 16 information leakage incidents of Social Security Number in United States, 7 information leakage incidents of Residential Register Code in South Korea. In this paper, many information leakage incidents in Japan and outside Japan were reported and analyzed. Based on this report, it is predicable when “My Number” is used for commercial service, information leakage incidents happened would be increased at various places. Many patterns of attack were clarified and many hints to prevent the incidents were shown. Recommend necessary solution or measure against information leakage shall be proposed for government for their public policy. All possible use case of “My Number” was thought. When ISMS was used to evaluate the commercial user of “My Number” based on use cases, some learning items were found. Frequent incidents were IT Theft or lost “My Number on the train or road. Therefore, it is important for people to treat “My Number” carefully or not to expose their ID including “My Number”. For future work, risk evaluation of “My Number” at Campus of University will be done soon. Based on the results, finally, public policy will be proposed for government.
Keyword (in Japanese) (See Japanese page) 
(in English) Security / Information Leakage / My Number / Risk Evaluation / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 119, ISEC2015-12, pp. 23-30, July 2015.
Paper # ISEC2015-12 
Date of Issue 2015-06-25 (ISEC, SITE, ICSS, EMM) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF ISEC2015-12 SITE2015-10 ICSS2015-22 EMM2015-20

Conference Information
Conference Date 2015-07-02 - 2015-07-03 
Place (in Japanese) (See Japanese page) 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ISEC 
Conference Code 2015-07-CSEC-ISEC-SITE-ICSS-EMM-SPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Information Security in National Identification Number called My Number in Japan 
Sub Title (in English)  
Keyword(1) Security  
Keyword(2) Information Leakage  
Keyword(3) My Number  
Keyword(4) Risk Evaluation  
1st Author's Name Takeshi Niiyama  
1st Author's Affiliation Doshisha University (Doshisha Univ.)
2nd Author's Name Toshiro Kita  
2nd Author's Affiliation Doshisha University (Doshisha Univ.)
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Date Time 2015-07-02 11:30:00 
Presentation Time 25 
Registration for ISEC 
Paper # IEICE-ISEC2015-12,IEICE-SITE2015-10,IEICE-ICSS2015-22,IEICE-EMM2015-20 
Volume (vol) IEICE-115 
Number (no) no.119(ISEC), no.120(SITE), no.121(ICSS), no.122(EMM) 
Page pp.23-30 
#Pages IEICE-8 
Date of Issue IEICE-ISEC-2015-06-25,IEICE-SITE-2015-06-25,IEICE-ICSS-2015-06-25,IEICE-EMM-2015-06-25 

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