• Title/Summary/Keyword: 무선 네트워크 보안

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Research on Wireless Sensor Networks Security Attack and Countermeasures: Survey (무선 센서 네트워크 보안 위협 및 대응책 연구)

  • Hong, Sunghyuck
    • Journal of Convergence Society for SMB
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    • v.4 no.4
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    • pp.1-6
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    • 2014
  • A wireless sensor network is being actively researched around the world that are connected to the mesh are a plurality of sensor nodes in a wireless manner that span different regions of the techniques. However, wireless communications use the limitation of resources, so it is very weak due to the properties of the network itself secure in comparison to the normal network. Wireless sensor network is divided into tapped-based attacks, forgery based attacks, denial of service attacks based largely by securities laws must defend against various attacks such as insertion of the wrong information being sent eavesdropping or modification of information, which is usually sensor network applications need to do. The countermeasure of sensor network attack is described in this research, and it will contribute to establish a secure sensor network communication.

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Development of the Wireless Sensor S/W for Wireless Traffic Intrusion Detection/Protection on a Campus N/W (캠퍼스 망에서의 무선 트래픽 침입 탐지/차단을 위한 Wireless Sensor S/W 개발)

  • Choi, Chang-Won;Lee, Hyung-Woo
    • Journal of the Korea Society of Computer and Information
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    • v.11 no.6
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    • pp.211-219
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    • 2006
  • As the wireless network is popular and expanded, it is necessary to development the IDS(Intrusion Detection System)/Filtering System from the malicious wireless traffic. We propose the W-Sensor SW which detects the malicious wireless traffic and the W-TMS system which filters the malicious traffic by W-Sensor log in this paper. It is efficient to detect the malicious traffic and adaptive to change the security rules rapidly by the proposed W-Sensor SW. The designed W-Sensor by installing on a notebook supports the mobility of IDS in compare with the existed AP based Sensor.

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Enhanced Wireless Network Security in Military Environments (군사 환경에서의 향상된 무선 네트워크 보안)

  • Kim, Jin Woo;Shin, Soo Young
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.41 no.11
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    • pp.1341-1348
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    • 2016
  • In this paper, we propose method to enhance security performance using HT-STBC with artificial noise under Wier-Tap channel model that exist with legitimate receiver and illegal eavesdropper. Conventional STBC with artificial noise scheme has a weakness that a limited increase in the BER of the difference between the receiver and an eavesdropper, when used over QPSK modulation. To solve this problem, we suggest HT-STBC combining hadamard transform and STBC with artificial noise for reduce BER of receiver than the conventional scheme and demonstrated through simulation that also increased BER difference between the receiver and an eavesdropper. By the simulation results, when used proposed scheme, showed approximately 3dB improvement in performance compared to the conventional scheme.

Threat Classification Schemes for Effective Management based on W-TMS(Wireless-Threat Management System) (W-TMS(Wireless-Threat Management System)에서의 효율적 관리를 위한 위협 분류기법)

  • Seo, Jong-Won;Jo, Je-Gyeong;Lee, Hyung-Woo
    • The Journal of the Korea Contents Association
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    • v.7 no.3
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    • pp.93-100
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    • 2007
  • Internet had spread in all fields with the fast speed during the last 10 years. Lately, wireless network is also spreading rapidly. Also, number of times that succeed attack attempt and invasion for wireless network is increasing rapidly TMS system was developed to overcome these threat on wireless network. Existing TMS system supplies active confrontation mechanism on these threats. However, existent TMS has limitation that new form of attack do not filtered efficiently. Therefor this paper proposes a new method that it automatically compute the threat from the imput packets with vector space model and detect anomaly detection of wireless network. Proposed mechanism in this research analyzes similarity degree between packets, and detect something wrong symptom of wireless network and then classify these threats automatically.

Hijacking Attack using Wireless Network Security Vulnerability in Drone and Its Countermeasure (드론의 무선 네트워크 보안 취약점을 이용한 탈취 및 대응)

  • Son, Juhwan;Sim, Jaebum;Lee, Jae-Gu;Cheong, Il-Ahn
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • pp.327-330
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    • 2017
  • In recent years, Drone(lightweight unmanned aerial vehicle) is used for broadcast shooting, disaster scene, leisure, observation and military purposes. However, as the use of drones increases the threat of hacking is also rising. Especially when a flying drone is seized, a dangerous situation can occur which is abused regardless of the driver's intention. Already in Iran and China, there is a case of hacking and stealing the drones of other countries under reconnaissance. In this paper, we analyze the security vulnerabilities of Wi-Fi and Bluetooth communication in wireless network which are used in drones for stealing the commercial drones. The results provide a countermeasure to safeguard the drones against attempts by the unauthorized attacker to take out the drones.

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A Study for u-Healthcare Networking Technology Framework Approach Based on Secure Oriented Architecture(SOA) (Secure Oriented Architecture(SOA)에 기반한 u-Healthcare 네트워크 보안기술 프레임워크 모델)

  • Kim, Jeom Goo;Noh, SiChoon
    • Convergence Security Journal
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    • v.13 no.4
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    • pp.101-108
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    • 2013
  • Sensor network configurations are for a specific situation or environment sensors capable of sensing, processing the collected information processors, and as a device is transmitting or receiving data. It is presently serious that sensor networks provide many benefits, but can not solve the wireless network security vulnerabilities, the risk of exposure to a variety of state information. u-Healthcare sensor networks, the smaller the sensor node power consumption, and computing power, memory, etc. restrictions imposing, wireless sensing through the kind of features that deliver value, so it ispossible that eavesdropping, denial of service, attack, routing path. In this paper, with a focus on sensing of the environment u-Healthcare system wireless security vulnerabilities factors u-Healthcare security framework to diagnose and design methods are presented. Sensor network technologies take measures for security vulnerabilities, but without the development of technology, if technology is not being utilized properly it will be an element of threat. Studies suggest that the u-Healthcare System in a variety of security risks measures user protection in the field of health information will be used as an important guide.

Design and Implementation of Network Access Control based on IPv6 (IPv6 기반의 네트워크 접근제어 시스템 설계 및 구현)

  • Shin, HaeJoon
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.15 no.10
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    • pp.6310-6316
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    • 2014
  • The increase in the Internet and smart device users requires high-level network security. Network security consists of Web Firewall, Network Firewall, IPS, DDoS system, UTM (Unified Treat Management), VPN, NAC (Network Access Control), Wireless security, Mobile security, and Virtualization. Most network security solutions running on IPv4, and IPv6 network services are not sufficiently ready. Therefore, in this paper, this study designed and implemented important functions of Network Access Control (NAC), which include IPv6 host detection, isolation, blocking and domain assignment for the IPv6 network. In particular, domain assignment function makes 128 bits IPv6 address management easy. This system was implemented on a KISA IPv6 test-bed using well known devices. Finally, the test result showed that all IPv6 based wired and wireless devices were well-controlled (detection, blocking, isolation and domain assignment).