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In recent years, the leakage of confidential files through the P2P (peer-to-peer) file sharing software has become a problem. Once sensitive files have been leaked to a P2P network, they are distributed rapidly and at random to a great many computers, bringing the danger of far-reaching damage. To deal with this, we propose a method to control the diffusion of sensitive file leakage on P2P networks...
Seventy percent of smartphone applications employ third party libraries for advertisement and usage analysis. Because the host application and those third party libraries have to be packed into one application package, they share the same set of privileges. This worries users because of the concern that third party libraries might abuse the host application's privileges. This is not a desirable situation...
To realize the provision of secure Android applications, this paper proposes an application development and management system, or ADMS for short, that is operated and maintained by application developers and the market manager. ADMS requires (i) Android OS to be equipped with a "security manager", (ii) all application developers to embed a code for event notification into applications to...
The most major threat of Android users is malware infection via Android application markets. In case of the Android Market, as security inspections are not applied for many users have uploaded applications. Therefore, malwares, e.g., Geimini and Droid Dream will attempt to leak personal information, getting root privilege, and abuse functions of the smart phone. An audit framework called log cat is...
In order to exterminate a botnet, we have to trace a botnet and arrest its botmaster. In this paper, we make a model of communication pattern of a C&C server that sends/receives packets to/from the botmaster. Then we discuss how botmaster trace back can be achieved. We describe which communication patterns we should focus on to find the botmaster or upper C&C servers. Furthermore, we propose...
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