News Column

Reports from Sogang University Highlight Recent Findings in Multimedia (Cost effective data wiping methods for mobile phone)

August 5, 2014

By a News Reporter-Staff News Editor at Journal of Technology -- Researchers detail new data in Multimedia. According to news reporting out of Seoul, South Korea, by VerticalNews editors, research stated, "Thanks to the supply of smartphones, mobile phones have come to store increasingly more personal information of users. To protect users' information, the information stored in mobile phones should not only be managed safety but also be deleted not to allow restoration."

Our news journalists obtained a quote from the research from Sogang University, "In the filesystems that have been applied to existing mobile phones, even when users have deleted information, data are not completely wiped from the storage. Therefore, the data can be easily recovered by using forensics tools. Considering that mobile phones are always exposed to the risk of robberies and loss, this situation can be misused for personal information spill."

According to the news editors, the research concluded: "The present paper points out problems in the methods of data deleting from smartphones, proposes an efficient data deleting method considering mobile device environments with limitations in battery and hardware performance such as smartphones, and analyzes the efficiency of the techniques in relation to the types of filesystems and data formats."

For more information on this research see: Cost effective data wiping methods for mobile phone. Multimedia Tools and Applications, 2014;71(2):643-655. Multimedia Tools and Applications can be contacted at: Springer, Van Godewijckstraat 30, 3311 Gz Dordrecht, Netherlands. (Springer -; Multimedia Tools and Applications -

Our news journalists report that additional information may be obtained by contacting S.H. Kang, Sogang Univ, Dept. of Comp Sci & Engn, Seoul, South Korea. Additional authors for this research include K.Y. Park and J. Kim.

Keywords for this news article include: Asia, Seoul, Multimedia, South Korea

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Source: Journal of Technology

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