電子文件保全系統

在這資訊化的世界當中，文件電子化已成為一必然的趨勢，任何資訊，小至個人行事曆，大至國家機密，已愈來愈難逃離電子文形式之範疇。然而，當文件以電子檔的形式存在，而其重要性亦足以影響企業生存或國家安全時，所該審慎考量的，已不是如傳統般地找ㄧ隱密的地方搭配堅固的保險箱以藏匿資訊；而是如何保護該電子檔，不因網路存取、儲存媒體被盜而遭洩漏；不因將文件檔案列印成紙本，而無法追蹤資料洩漏的來源。本論文之目的即針對已封存之文件檔提出方法，透過『權限管制』達成文件的保護；利用『稽核紀錄』追蹤檔案的開啟動作及列印；藉由『浮水印』使得紙本文件得到一定程度之保護。

關鍵字

機密文件；文件保護；安全威脅；資訊洩漏

並列摘要

With advances in computer technology, more and more information is getting converted into electronic file format. If the information has something to do with the state secrets, or may destroy the core competence of a corporation, it should be guarded very well since the electronic document is incredibly easy to transfer. During these years, increasing information security issues show that above 70% of IT security losses are caused by internal confidential data leak. It is a must to use an approach protecting the confidential information, so that the secret data would not be retrieved from desktops, network or extracted from the stolen storage. In this paper, we propose a system on Windows platform. It offers a way to guard secret/sensitive documents. Even when those are printed out, you are able to know who did that printing job not only from the system but also from the printed paper documents. And most important of all, the proposed protection approach is not restricted to certain file types or some applications.

並列關鍵字

documents protection ； api hooking ； confidential information ； security threats ； security policies ； leak information

參考文獻

[27] Joacim Andersson. Turn off Print Screen. http://www.vbforums.com/showthread.php?t=372390

[12] Charles Petzold (2002). Programming Windows (5th ed.). Microsoft Press.

[13] Jeffrey Richter (1999). Programming Applications for Microsoft Windows (4th ed.). Microsoft Press.

[24] Robert Kuster. Three Ways to Inject Your Code into Another Process. http://www.codeproject.com/threads/winspy.asp?msg=1131954

[1] 王唯至，機密列印為文件上一道鎖。http://www.ithome.com.tw/itadm/article.php?c=35589

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國際替代計量

電子文件保全系統

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