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IEICE TRANSACTIONS on Information

CLDSafe: An Efficient File Backup System in Cloud Storage against Ransomware

Joobeom YUN, Junbeom HUR, Youngjoo SHIN, Dongyoung KOO

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Summary :

Ransomware becomes more and more threatening nowadays. In this paper, we propose CLDSafe, a novel and efficient file backup system against ransomware. It keeps shadow copies of files and provides secure restoration using cloud storage when a computer is infected by ransomware. After our system measures file similarities between a new file on the client and an old file on the server, the old file on the server is backed up securely when the new file is changed substantially. And then, only authenticated users can restore the backup files by using challenge-response mechanism. As a result, our proposed solution will be helpful in recovering systems from ransomware damage.

Publication
IEICE TRANSACTIONS on Information Vol.E100-D No.9 pp.2228-2231
Publication Date
2017/09/01
Publicized
2017/06/12
Online ISSN
1745-1361
DOI
10.1587/transinf.2017EDL8052
Type of Manuscript
LETTER
Category
Dependable Computing

Authors

Joobeom YUN
  Sejong University
Junbeom HUR
  Korea University
Youngjoo SHIN
  Kwangwoon University
Dongyoung KOO
  Hansung University

Keyword