• Title/Summary/Keyword: 무선 네트워크 보안

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Design and Implementation of Data Integrity Evaluation System for Application Layer Security Module in PDA Environment (PDA환경의 응용계층 보안모듈 무결성 검증 시스템 설계 및 구현)

  • 김남진;김창수
    • Proceedings of the Korea Multimedia Society Conference
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    • pp.310-313
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    • 2003
  • PDA를 이용한 무선 네트워크에 대한 활용도가 높아짐에 따라, PDA상에서 이루어지는 무선 네트워크 보안에 대한 관심이 증가하고 있다. PDA 무선 네트워크 보안 문제를 해결하기 위해 많은 연구 및 솔루션 개발이 진행되고 있으나, 이들의 신뢰성을 검증할 만한 시스템 및 연구는 제대로 이루어지지 않고 있다. 본 논문에서는 PDA환경의 무선 네트워크 응용계층 보안모듈들이 무결성 기능을 제대로 제공하는지를 검증 및 관리할 수 있는 시스템을 설계 및 구현하였다.

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The Analysis of Security in Wirless Sensor Netwroks (무선네트워크에서의 보안기술 분석)

  • Byun, Byung-Kil;Lee, Ki-Young
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • v.9 no.1
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    • pp.569-572
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    • 2005
  • A generation to have felt convenience of a network by a development of Internet is pressing for realization of a wireless network. However, security of wireless network must begin with an attack to be good at all expectations. especially considred from L1 layer to L7 layer. Wireless Network weaker than wire because smuggle through various sensor terminal and invasion of radio waves netwwork Wireless network recognizes a security proposal of physical, network application layer, and is going to discuss a security development point of wiress network from now on.

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A Wireless Network Monitoring and Integrated Management System (무선 네트워크 모니터링 및 통합 관리 시스템)

  • 김동필;백병욱;김상욱
    • Proceedings of the Korean Information Science Society Conference
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    • pp.700-702
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    • 2003
  • 최근 고속 무선 네트워크에 대한 사용자의 요구가 증가함에 따라, 낮은 전송속도를 가지는 이동통신 시스템의 대안으로 무선 네트워크 시스템이 부각되고 있다. 무선 네트워크 기술의 보안 취약점은 무선 네트워크 사용의 중요한 장애요인이다. IEEE 802.1x, IEEE 802.11i에서는 인증과 데이터 프라이버시 제공을 위한 표준을 내고 있으나, 무선 네트워크 보안을 완벽하게 지원하지는 않는다. 본 논문에서는 무선 네트워크 환경의 트래픽을 모니터링하고. 통합 관리 서버를 통하여 여러 무선 네트워크를 통합적으로 관리하는 시스템을 설계하고 구현한다.

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Design of the Covered Address Generation using the Super Increasing Sequence in Wireless Networks (무선 네트워크에서의 초증가 수열을 통한 주소 은닉 기법 설계)

  • Choun, Jun-Ho;Kim, Sung-Chan;Jang, Kun-Won;Do, Kyung-Hwa;Jun, Moon-Seog
    • The KIPS Transactions:PartC
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    • v.14C no.5
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    • pp.411-416
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    • 2007
  • The General security method of wireless network provides a confidentiality of communication contents based on the cryptographic stability against a malicious host. However, this method exposes the logical and physical addresses of both sender and receiver, so transmission volume and identification of both may be exposed although concealing that content. Covered address scheme that this paper proposes generates an address to which knapsack problem using super increasing sequence is applied, and replaces the addresses of sender and receiver with addresses from super increasing sequence. Also, proposed method changes frequently secret addresses, so a malicious user cannot watch a target system or try to attack the specific host. Proposed method also changes continuously a host address that attacker takes aim at. Accordingly, an attacker who tries to use DDoS attack cannot decide the specific target system.

An Analysis of Security Problem against Wireless Network in Smartphone (스마트폰 상에서 무선 네트워크 보안 문제점 분석)

  • Kim, Ki-Hawn;Lee, Young Sil;Lee, HoonJae
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • pp.383-386
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    • 2014
  • Due to the development of communication technology, a conventional major business through PC, laptop or Tablet PC can be performed via a smartphone and it is increasing the user's convenience. At this point, the user prefers to connect to the Internet using the wireless network because it occurs an additional charge according to the amount of data to be transmitted when using a data communication through 3G or 4G. However, when using a wireless network, there is a possibility of several attacks such as easily steal or modulate the information from the outside or to gain access to personal information stored in the user's smartphone with man-in-the-middle attacks by using the fake AP. IIn this paper, we describe how you can detect the AP when you use LAN of the smartphone, were analyzed for this vulnerability, has not been approved. Furthermore, Also, we discuss ways which can enhance the security when user the access to the internet services (i.e., internet, public/private cloud service, etc.) via wireless network in smartphone.

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Channel Coding Based Physical Layer Security for Wireless Networks (채널 부호화를 통한 물리계층 무선네트워크 보안기술)

  • Asaduzzaman, Asaduzzaman;Kong, Hyung Yun
    • The Journal of the Institute of Internet, Broadcasting and Communication
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    • v.8 no.3
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    • pp.57-70
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    • 2008
  • This paper introduces a new paradigm of physical layer security through channel coding for wireless networks. The well known spread spectrum based physical layer security in wireless network is applicable when code division multiple access (CDMA) is used as wireless air link interface. In our proposal, we incorporate the proposed security protocol within channel coding as channel coding is an essential part of all kind of wireless communications. Channel coding has a built-in security in the sense of encoding and decoding algorithm. Decoding of a particular codeword is possible only when the encoding procedure is exactly known. This point is the key of our proposed security protocol. The common parameter that required for both encoder and decoder is generally a generator matrix. We proposed a random selection of generators according to a security key to ensure the secrecy of the networks against unauthorized access. Therefore, the conventional channel coding technique is used as a security controller of the network along with its error correcting purpose.

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Security and Hacking on Wireless Networking for Small and Medium Business: Survey (중소기업형 무선 네트워크의 해킹과 보안)

  • Shin, Pan-Seop;Kim, Jeong-Min
    • Journal of Convergence Society for SMB
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    • v.4 no.3
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    • pp.15-20
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    • 2014
  • Wireless network is convenient as compared to the wire, and it is also easy. Therefore, SMEs in the country is the trend that many SMEs prefer the radio using a lot of radio as an extension of the wired network modification felt the burden of fixed installations. Wireless networks are vulnerable to security together than a wired network, since it passes the packet through the broadcasting. Therefore, analyzing the vulnerability of wireless networks, and proposes countermeasures about wireless network security in small and medium-sized businesses.

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Analysis for Wireless Network Security on AMI System (AMI 시스템의 무선 네트워크 보안 분석)

  • Jeon, HoSung;Oh, Jieun;Kim, Min-Ku;Yi, Okyeon
    • Proceedings of the Korea Information Processing Society Conference
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    • pp.834-837
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    • 2011
  • AMI 시스템은 정보통신 기술과 전력망의 융합으로 탄생한 새로운 형태의 차세대 전력망인 스마트그리드의 핵심기술 중 하나이다. AMI 시스템의 부하 제어 및 수요 측정, 미터링, 과금 등을 위한 다양한 유 무선 통신기술(ZigBee, PLC, Binary CDMA 등)을 적용함에 있어 기존에 제시된 AMI 네트워크 보안 위협에 따른 취약점은 스마트그리드 전체 네트워크의 보안사고를 유발할 수 있다. 본 논문은 AMI 시스템 상에서 ZigBee, Binary CDMA와 같은 무선 네트워크의 적용으로 인한 보안특성을 분석하고 보안 요구사항에 대한 대응방안을 제시한다.

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Physical Layer Wireless Network Security Through Channel Coding (채널 부호화를 통한 물리계층 무선 네트워크 보안 기술)

  • Asaduzzaman, Asaduzzaman;Kong, Hyung-Yun;Kim, Gun-Seok;Kim, Nae-Soo
    • Proceedings of the Korea Information Processing Society Conference
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    • pp.989-992
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    • 2007
  • In this paper we introduce a new paradigm of physical layer security for wireless network. Existing security protocols like internet's transport layer security protocol has some security flaws that skilled hackers could exploit. Motivated from this point we introduce a new security protocol that works in physical layer which is much less vulnerable to hackers than any other higher layers. In our proposal, we incorporate the proposed security protocol within channel coding as channel coding is an essential part of wireless communication. We utilize the flexibility to choose a generator matrix (or generator polynomial) of a particular code that selects the code words as a core of our protocol. Each pair of wireless node will select a unique generator using their security key before they started to communicate with each other.

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A Study of Vulnerability Analysis and Attack using Smart Phone at WiFi Zone (WiFi Zone에서 Smart Phone 사용 시 취약점 분석과 공격에 대한 연구)

  • Kwon, Se-Hwan;Park, Dea-Woo
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • pp.407-409
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    • 2011
  • 최근 Smart Phone에서 WiFi Zone의 활용도가 증가되고 있다. WiFi Zone의 무선 인터넷은 무선이 가지고 있는 취약점을 그대로 가지고 있기 때문에 보안에 대한 취약점이 존재하고 침해사고에 대비한 연구가 필요하다. 본 논문에서는 WiFi Zone에서 암호가 설정된 무선 AP의 패킷을 수집하여 분석하고, 해당 무선 AP의 access 암호를 알아낸다. 암호분석과 WiFi Zone의 취약점을 분석하여 War Driving 기술을 사용하여 무선 인터넷의 취약점을 분석하고, 무선 AP에 대한 공격과 ARP Spoofing 공격을 하여 해당 무선 AP를 마비시키거나 위장 무선 AP를 설정하여 정보를 취득 하였다. 본 논문 연구를 통하여 Smart Phone과 무선 네트워크 보안성을 강화하는 연구 자료로 사용할 것이다.

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