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首頁> 外文學(xué)位 >Security analysis of the Frequency Monitoring Network system and protection mechanisms applicable to general Wide Area Monitoring System environments.
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Security analysis of the Frequency Monitoring Network system and protection mechanisms applicable to general Wide Area Monitoring System environments.

機譯:頻率監(jiān)視網(wǎng)絡(luò)系統(tǒng)的安全性分析和適用于一般廣域監(jiān)視系統(tǒng)環(huán)境的保護(hù)機制。

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摘要

Reactive and real-time Wide Area Monitoring Systems (WAMS), such as the Frequency Monitoring Network (FNET), provide the ability to monitor and gather frequency information throughout the entire power grid, and are therefore a very important part of the Smart Grid initiative. FNET uses the Internet as a communication medium between its system components, which raises security concerns involving cyber-related issues that must be addressed. A security analysis of the FNET WAMS has been performed for the first time to identify present vulnerabilities and offer mitigation strategies for such vulnerabilities.;A proposal is made that applies a technique known as chaffing and winnowing to provide confidentiality, data integrity, authentication, and non-repudiation to the communications in a sensor network deployed in a WAMS environment. This technique is shown to be capable of providing these protection goals while still maintaining a transmission rate high enough to be used in a close to real-time WAMS.;Although cryptography and authentication techniques may be able to provide a substantial level of security for sensor networks in a WAMS environment, these techniques alone may not be able to sufficiently identify misbehaving nodes that have already managed to join the sensor network. Misbehaving nodes are nodes that have been compromised by an attacker to impersonate legitimate nodes, or nodes with aging or faulty components. In this respect, a novel application of fuzzy logic and a reputation-based trust approach is proposed to identify misbehaving nodes in a sensor network.
機譯:諸如頻率監(jiān)視網(wǎng)絡(luò)(FNET)之類的反應(yīng)式實時廣域監(jiān)視系統(tǒng)(WAMS)提供了監(jiān)視和收集整個電網(wǎng)中的頻率信息的能力,因此是智能電網(wǎng)計劃的重要組成部分。 FNET將Internet用作其系統(tǒng)組件之間的通信介質(zhì),這引起了涉及必須解決的與網(wǎng)絡(luò)相關(guān)的問題的安全問題。首次對FNET WAMS進(jìn)行了安全性分析,以識別當(dāng)前漏洞并提供針對此類漏洞的緩解策略。;提出了一項提案,該提案采用稱為``切屑和風(fēng)選''的技術(shù)來提供機密性,數(shù)據(jù)完整性,身份驗證和不可否認(rèn)WAMS環(huán)境中部署的傳感器網(wǎng)絡(luò)中的通信。事實證明,該技術(shù)能夠提供這些保護(hù)目標(biāo),同時仍保持足夠高的傳輸速率以用于近乎實時的WAMS中;盡管加密和認(rèn)證技術(shù)可能能夠為傳感器提供實質(zhì)性的安全性在WAMS環(huán)境中的網(wǎng)絡(luò)中,僅這些技術(shù)可能無法充分識別已經(jīng)設(shè)法加入傳感器網(wǎng)絡(luò)的行為異常的節(jié)點。行為不當(dāng)?shù)墓?jié)點是指被攻擊者破壞以冒充合法節(jié)點或具有老化或故障組件的節(jié)點的節(jié)點。在這方面,提出了模糊邏輯和基于信譽的信任方法的新穎應(yīng)用,以識別傳感器網(wǎng)絡(luò)中的異常節(jié)點。

著錄項

  • 作者

    McDaniel, Joseph Layton.;

  • 作者單位

    Tennessee Technological University.;

  • 授予單位 Tennessee Technological University.;
  • 學(xué)科 Computer Science.;Engineering Computer.
  • 學(xué)位 M.S.
  • 年度 2011
  • 頁碼 76 p.
  • 總頁數(shù) 76
  • 原文格式 PDF
  • 正文語種 eng
  • 中圖分類 地下建筑;
  • 關(guān)鍵詞

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