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Paper Abstract and Keywords
Presentation 2017-05-12 11:10
Distributive Analyzing Scheme of Host Operation for Blocking Information Leakage from an Intranet
Ryuji Maeda, Junichi Murayama (Tokai Univ.) IN2017-5
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, damage by targeted attacks is getting worse. These attacks leak corporate information. For preventing such leakage, a security gateway seems attractive. This device can block forwarding of confidential files. For the confidentiality check, a blacklist is searched. Here, the forwarding file name is used as a search key. This list is a name list of confidential files. When attackers segment or rename confidential files, the list is updated sequentially. Thus, confidential files may leak out when blacklist update is delayed. According to our study, a bottleneck of the update processing is network processing at log collection. To solve this problem, we propose a novel scheme. In our scheme, each host generates a local blacklist. The security gateway asks every hosts for searching blacklists. Consequently, network processing at log collection is not required. In our evaluation experiment, the period of updating a blacklist of our proposed scheme was almost 55 percent of that of the conventional scheme.
Keyword (in Japanese) (See Japanese page) 
(in English) targeted attack / advanced persistent threat / data leakage prevention / log tracing / blacklist / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 21, IN2017-5, pp. 21-24, May 2017.
Paper # IN2017-5 
Date of Issue 2017-05-04 (IN) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction
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 IN2017-5

Conference Information
Committee RCS IN NV  
Conference Date 2017-05-11 - 2017-05-12 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To IN 
Conference Code 2017-05-RCS-IN-NV 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Distributive Analyzing Scheme of Host Operation for Blocking Information Leakage from an Intranet 
Sub Title (in English)  
Keyword(1) targeted attack  
Keyword(2) advanced persistent threat  
Keyword(3) data leakage prevention  
Keyword(4) log tracing  
Keyword(5) blacklist  
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1st Author's Name Ryuji Maeda  
1st Author's Affiliation Tokai University (Tokai Univ.)
2nd Author's Name Junichi Murayama  
2nd Author's Affiliation Tokai University (Tokai Univ.)
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Speaker Author-1 
Date Time 2017-05-12 11:10:00 
Presentation Time 25 minutes 
Registration for IN 
Paper # IN2017-5 
Volume (vol) vol.117 
Number (no) no.21 
Page pp.21-24 
#Pages
Date of Issue 2017-05-04 (IN) 


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