• Title/Summary/Keyword: 위치 프라이버시

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Design and Implementation of a Location Privacy System supporting Privacy Self Controls (프라이버시 자기제어를 지원하는 위치정보 프라이버시 시스템의 설계 및 구현)

  • Lee, Eung-Jae;Ju, Yong-Wan;Nam, Kwang-Woo
    • Journal of KIISE:Computing Practices and Letters
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    • v.16 no.8
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    • pp.853-862
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    • 2010
  • As the mobile device and broadband wireless internet such as WiBro, HSDPA is widely spreading, various types of advertisement and services based on personal location information can be provided. However, with convenience supported by these services, it is possible to be increased an invasion of privacy such as personal location and moving pattern. In this paper, we analysis an essential element for protection of privacy related on location information in mobile environment and propose location privacy protocol for managing location privacy self-control. And we design and implementation prototype of location privacy self-control system which is able to manage user's location privacy condition oneself using the proposed location privacy protocol.

Impact of Privacy Concern and Institutional Trust on Privacy Decision Making: A Comparison of E-Commerce and Location-Based Service (프라이버시 염려와 제도적 신뢰가 프라이버시 의사결정에 미치는 영향: 전자상거래와 위치기반서비스의 비교)

  • Kim, Sanghee;Kim, Jongki
    • Journal of Korea Society of Industrial Information Systems
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    • v.22 no.1
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    • pp.69-87
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    • 2017
  • This Research Attempted to Clarify the Eeffect of Privacy Concern and Institutional Trust on Privacy Decision based on Privacy Calculus Perspective. We Developed a Research Model Suggesting that the Influence of Privacy Benefit and Privacy risk on the Information Disclosure Behavior and the Influence of Privacy Concern and Institutional Trust on the Privacy Calculus. In this Regard, in Order to Examine the Difference According to the Target whose Personal Information was Collected, an Empirical Analysis was Conducted to Compare the E-commerce Field and LBS(Location Based Service) Field. The Results of Empirical Analysis are as follows. First, it is Founded that other Relations were All Statistically Significant Except the Relation between Privacy Risk and Information Disclosure Behavior in the LBS group. Next, as a Results of Comparison of Constructs in the E-commerce and Institutional trust than the LBS group, Identifying that the Consumers are more Sensitive to the Personal Information Collected in the E-commerce site.

Influence of Privacy Concerns on Intention to Use Location-based Services Based on Privacy Calculus Perspective (프라이버시 계산 관점에서 위치기반서비스 이용의도에 대한 프라이버시 염려의 영향)

  • Kim, Jongki
    • Journal of Digital Convergence
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    • v.15 no.12
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    • pp.265-272
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    • 2017
  • As Location-based services on smartphone are getting more popular, users have more concern on exposing their location information. This study developed a research model to identify how smartphone users perceive on providing information pertaining to their location based on privacy calculus theory. 203 responses were analyzed with SmartPLS 2.0. The outcome of this research is quite interesting because conventional belief of privacy calculus perspective does not hold. The privacy calculus theory is based on assumption that human being is rational and decision to provide privacy information is determined by risk and benefit aspects. However, the result of this study is in accordance with behavioral economics perspective in which emotional judgment and behavioral judgement are affected by different factors.

Effect of Purchase Intention of Location-Based Services: Focused on Privacy-Trust-Behavioral Intention Model (위치기반서비스에서 구매의도에 영향을 미치는 요인: 프라이버시-신뢰-행동의도 모형을 중심으로)

  • Jang, Sung-Hee
    • Journal of the Korea Society of Computer and Information
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    • v.19 no.10
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    • pp.175-184
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    • 2014
  • The purpose of this study is to examine the factors influencing purchase intention of Location-Based Services (LBS) using privacy-trust-behavioral intention model. This model tests various theoretical research hypotheses relating to LBS, privacy-trust-behavioral intention model, and Concern for Information Privacy(CFIP). The target population of this study was LBS users. Data for this study were collected from January 21 to March 20, 2014. The data were gathered from 231 questionnaire respondents with experience using LBS. Among these reponses, 21 were excluded because of missing or inappropriate data. After removing the unsuitable questionnaires, a total of 210 surveys were considered for analysis. The results of hypothesis testing are as follows. First, location awareness positively influence privacy concerns. Second, privacy concerns negatively influence trust. Finally, trust positively influence purchase intention. The results of this study will provide various implication to improve purchase intention of LBS.

A Protocol of Personal Location Information Control for Privacy (프라이버시 보호를 위한 개인 위치 정보 관리 프로토콜)

  • Hwang, Young-Sik;Nam, Taek-Yong
    • Proceedings of the Korean Information Science Society Conference
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    • 2005.11a
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    • pp.55-57
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    • 2005
  • 본 논문에서는 프라이버시 보호를 위한 개인 위치 정보 접근에 대한 통보 유무, 동의와 같은 차별화 된 정책 설정과 특정 장소나 시간에 대해 위치 정보 제공을 차단 할 수 있는 프로토콜을 제안 하려고 한다. 제안하는 프로토콜은 모바일 상의 프라이버시 설정을 위해 응용 레벨에서 동적으로 발생하는 개인의 위치정보에 대해 유저가 설정한 특정 장소와 시간에 따라 차단하는 기능 설정할 수 있다. 또한 서비스 제공자와 요청자 별로 개인 위치 정보 접근에 대한 통보 유무, 동의와 같은 차별화된 정책을 설정 할 수 있다. 제안하는 프로토콜은 이들 설정된 정책들의 리스트들을 요청자 별로 나누어서 사용자 프라이버시 리스트 서버(UPLS)에서 관리하며, 서비스 요청 시 설정된 정책에 맞는 서비스를 서비스 제공자들이 제공하게 되므로 개인 위치 정보에 대해 프라이버시를 제공하게 된다.

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Implemention of Location Information Privacy Self Control System (위치정보 프라이버시 자기제어 시스템의 구현)

  • Yang, Pyoung Woo;Nam, Kwang Woo
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2009.05a
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    • pp.211-214
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    • 2009
  • This paper describes a location privacy control system. Also, we propose a model of location privacy control for national usage and system. This research is applicable to location privacy protection in commercial location-based services in wireless telecommunications, T-Money transtoration card system, GIS platform and provide system of variety service.

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Analysis of Privacy threats and Security mechanisms on Location-based Service (위치기반 서비스의 프라이버시 위협 요소 분석 및 보안 대책에 관한 연구)

  • Oh, Soo-Hyun;Kwak, Jin
    • Journal of Advanced Navigation Technology
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    • v.13 no.2
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    • pp.272-279
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    • 2009
  • A location information used in LBS provides convenience to the user, but service provider can be exploited depending on how much risk you have. Location information can be exploited to track the location of the personal privacy of individuals because of the misuse of location information may violate the user can import a lot of damage. In this paper, we classify the life cycle of location information as collection, use, delivery, storage and destroy and analyze the factors the privacy is violated. Furthermore, we analyze information security mechanism is classified as operation mechanism and policy/management mechanism and propose a security solutions of all phase in life cycle.

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Direction Presentation of Design on Privacy Preserving Mechanism for Location-Sharing Based Services (위치공유기반 서비스의 프라이버시 보호 방안의 설계 방향 제시)

  • Kim, Mihui
    • The Journal of the Korea Contents Association
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    • v.15 no.2
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    • pp.101-108
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    • 2015
  • Location-sharing based service (LSBS) refers to a service that users share their location information with other users with whom friendship. At this time, the location information is shared through service provider, and then their position information is exposed to the service provider. The exposure of this personal position information to the service provider has raised a privacy problem, and thus privacy preserving mechanisms have been proposed to protect them. In this paper, we examine the types and features of the proposed location-sharing based services so far, and survey the research trend of privacy preserving mechanisms for them. Through the analysis on existing privacy preserving mechanisms, we present design factors for a privacy preserving mechanism for the current LSBS services, and suggest future work.

Privacy Preserving Top-k Location-Based Service with Fully Homomorphic Encryption (완전동형암호기반 프라이버시 보호 Top-k 위치정보서비스)

  • Hur, Miyoung;Lee, Younho
    • Journal of the Korea Society for Simulation
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    • v.24 no.4
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    • pp.153-161
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    • 2015
  • We propose a privacy-preserving location-based service (LBS) which supports top-k search service. The previous schemes hurt the privacy of either the user and the location of the objects because they are sent to the LBS server in a plaintext form. In the proposed method, by encrypting them with the fully-homomorphic encryption, we achieved the top-k search is possible while the information on them is not given to the LBS server. We performed a simulation on the proposed scheme with 16 locations where k is 3. The required time is 270 hours in a conventional desktop machine, which seems infeasible to be used in practice. However, as the progress of the hardware, the performance will be improved.

Privacy Protection Mechanism using MAC Security in VANET (차량 통신에서 MAC Security 기반의 사용자 프라이버시 보호기법)

  • Lim, Hun-Jung;Lee, Jun-Won;Kim, Tae-Kyung;Chung, Tai-Myoung
    • Proceedings of the Korea Information Processing Society Conference
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    • 2011.04a
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    • pp.812-815
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    • 2011
  • 통신기술이 발달하면서 차량 통신에 대한 연구가 활발히 진행되고 있다. 주 연구 분야로 라우팅 및 위치정보 기반의 주소 설정과 통신, 보안 문제 해결 등이 있다. 차량은 지극히 개인적인 공간이므로 운전자의 위치 및 식별정보에 대한 보호가 필요하다. 이러한 연구는 운전자 프라이버시 보호 측면에서 보안기능과는 별도로 연구가 진행되고 있다. 기존의 프라이버시 보호 기술들은 각 계층별 프라이버시 보호는 만족하고 있지만, 계층별 정보들의 연결을 통해 프라이버시를 공격하는 연관 공격(Relation Attack)에 대하여서는 취약함을 보이고 있다. 따라서 본 논문에서는 MAC Security 기술을 이용하여 운전자의 프라이버시를 보호하는 기법을 제안하려 한다. 제안하는 기법은 네트워크 접속 계층 주소를 제외한 나머지 정보를 암호화 하기 때문에 물리 주소로 인한 프라이버시가 침해가 발생 하더라도 다른 계층의 정보를 알 수 없으므로 네트워크 계층의 위치 정보 및 응용계층의 사용자의 식별 정보 등을 보호 함으로 상관 공격에 안전하다. 물리 주소 역시 해당 도메인에서 유일한 식별 정보 이므로 멀티 도메인 통신이 이루어 지는 인터넷 상에서는 운전자의 프라이버시를 보호 할 수 있다.