Estimating Resident Registration Numbers of Individuals in Korea: Revisited

• Heeyoul Kim,
• Ki-Woong Park,
• Daeseon Choi,
• Younho Lee,

Vol. 12, No. 6, June 29, 2018
10.3837/tiis.2018.06.027, Download Paper (Free):

• Resident Registration Number
• Web service attacks
• Personal information security
• information security

Abstract

Choi et al's work [1] in 2015 demonstrated that the resident registration numbers (RRNs) of individuals could be conveniently estimated through their personal information that is ordinarily disclosed in social network services. As a follow-up to the study, we introduce the status of the RRN system in Korea in terms of its use in the online environment, particularly focusing on their secure use. We demonstrate that it is still vulnerable against a straightforward attack. We establish that we can determine the RRNs of the current president Moon Jae-In and the world-class singer PSY.

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