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Mobile devices have become powerful and popular. Most internet applications or services are ported to mobile platforms. Confidential personal information such as credit card and password usually is stored in mobile devices for ubiquitous computing. Therefore, mobile devices become attack target due to financial gain. Mobile applications are published in various market places without or with little...
Application permissions at the core of Android security mechanism are the first leading transparent feature for users to assess any mobile application before download or installation and for experts to analyse any malware. Representing vast, dispersed permissions and achieving clarity is not a trivial matter. In this study, we first examined Android permissions, their groups and formal representations...
Mobile app developers declare permissions, but these do not guarantee that apps will behave as expected. Existing work focuses on checking predefined app properties, e.g., clone detection and API analysis. We propose BehaviorDroid, a framework for monitoring general app properties at runtime. Properties are currently specified using automata, describing desired and unwanted interactions between an...
Android systems are widely used in mobile & wireless distributed systems. In the near future, Android is believed to dominate the mobile distributed environment. However, with the popularity of Android-based smartphones/tablets comes the rampancy of Android-based malware. In this paper, we propose a novel topological signature of Android apps based on the function call graphs (FCGs) extracted...
With the spread of smartphones, our daily lives become more convenient. However, using smartphone has also made us to be exposed to various security threats. Especially, the number of mobile malware has been increasing with years and mobile malwares are becoming more intelligent and sophisticated. There are a lot of measures to deal with mobile malwares, but techniques evading them have also been...
The market for smartphone applications is steadily growing. Unfortunately, along with this growth, the number of malicious applications is increasing as well. To identify this malware, various automatic code-analysis tools have been developed. These tools are able to assess the risk associated with a specific app. However, informing users about these findings is often difficult. Currently, on Android,...
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