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Research on Monitoring and Tracing Secret Documents of Mobile Storage Devices

Author: ZhouFaGui
Tutor: ZhuZhengYu
School: Chongqing University
Course: Applied Computer Technology
Keywords: monitor data protection identity authentication fingerprint generation Hook API
CLC: TP309.2
Type: Master's thesis
Year: 2011
Downloads: 27
Quote: 0
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Abstract

With the widespread use of mobile storage devices, it has been becoming the main carrier of data storage and distribution in off-network. How to protect the security of the data of mobile storage devices from unauthorized access and distribution has been becoming a very important question. Some confidential institutions, such as the military and scientific research institutions, take some security measures to prevent documents with secret from leaking in the internal environment. However, in the external environment, it is difficult to trace and monitor the data flows. The usage of documents with secret of mobile storage devices will bring some potential safety hazards.Combined with the practical application of data security and management in the military, this paper mainly focus on monitoring and tracing documents with secret of mobile storage devices. Comprehensively applying various techniques, such as computer cryptology, monitoring technique, binding technique, computer fingerprint and so on, a data protection and monitoring method of mobile storage devices is proposed in this paper. We have been designing a simple but reasonable monitoring software. In the process of using documents with secret, the monitoring software will automatically monitor the reading location, the reading frequency and other users’ browsing actions to prevent documents from unauthorized access and distribution by the holder. So the monitoring software can effectively prevent documents with secret from leaking in the external environment.The main research includes such aspects as following:1. Combined with software encryption and hardware encryption, this paper proposes a kind of binding-authentication model for identity authentication based on multiple factors, including mobile storage devices, users, software and data file. So this model prevents documents from leaking for weak identity authentication based on the single factor.2. A stable and secure fingerprint generation model is designed, which is used to generate the feature identify code of computer, U disk or mobile hard disk. This model not only can generate a unique and reliably feature identify code for each device, but also can provide a reference method of fingerprint generation.3. Considering the complexity of using documents with secret of mobile storage devices in the external environment, combined with the clipboard monitoring technique, Hook API technique and so on, a data protection method of mobile storage devices is proposed. By tracing and monitoring the usage of documents with secret in the external environment, the method can timely record and disable these operations that may lead to information leaking.Finally, we have designed green software to protect and monitor the usage of documents with secret in mobile storage devices. The software achieve that the usage of documents with secret in mobile storage devices is controllable, discoverable and traceable. Moreover, the software not only can effectively prevent documents with secret from leaking, but also can realize tracing the data flows once the leakage of documents with secret occurred. The research above has good academic reference value and good applied value in the domain of data protection.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > General issues > Security and confidentiality > Data security
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