| Summary: | 碩士 === 國立高雄師範大學 === 資訊教育研究所 === 100 === Since the user of his smart phone is usually single and fixed, lots of personal information and traces must be remained in the device. Those data remained in the device can be acquired through technologies or tools of forensics, and that may lead to menaces and losses to information security, for this reason, it is imperative to protect the personal information.
In this study, we will refer to destroying evidences, which is a classification of anti-forensic technology, and design an Android anti-forensic system which use Android API and ADB shell commands to implement the functions of logical and physical data deletion.
In order to verify the result, we acquire the information, such as contacts, call logs and short message service et al. logically and physically before we delete them and then we acquire the information again, at last, we compare with the results in hexadecimal way. In this system we provide more effective and optional deletion functions without impeding the usage of smart phone for the user, and purposes to reduce the possibility of sensitive information leakage, and provides a counterexample to the mobile forensic tool developers.
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