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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 18 of 18 for “"Android Security"”.
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User-Intention Based Program Analysis for Android Security
… services. Despite the recent advances on mobile security, the problem of detecting vulnerable and malicious mobile apps with high detection accuracy remains an open problem. In this thesis, we address the problem of Android security by presenting a new quantitative program analysis framework for …
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Employing Android Security Features for Enhanced Security and Privacy Preservation
… this thesis, we examine the architecture and the security framework underlying the Android operating system. We explore existing Android end-to-end encrypted (E2EE) messaging applications and derive four categories of common issues that are applicable to these applications. We then provide an …
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Android Memory Capture and Applications for Security and Privacy
<p>The Android operating system is quickly becoming the most popular platform for mobiledevices. As Android’s use increases, so does the need for both forensic and privacy toolsdesigned for the platform. This thesis presents the first methodology and toolset for acquiringfull physical memory images …
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Dynamic ensemble of classifiers and security relevant methods of android’s API : an empirical study
The Android operating system provides functions and methods to handle sensitive data to se- cure users’ data. Sensitive data is every data that can identify the user, such as GPS location, biometric data, and banking data. The Android security literature proposes extracting binary features from a …
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Security Weaknesses of the Android Advertising Ecosystem
Mobile device security is becoming increasingly important as the number of devices that are used continues to grow and has surpassed one billion active devices globally. In this thesis, we will investigate the security of Android ad supported apps, security vulnerabilities that have been identified …
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Security threats to Android apps
… mobile app markets has complicated mobile app security. Many new threats emerged are either because of the deficiency of mobile app development or the design ambiguities of the Android operating system. In order to seek a better understanding of mobile app security, we present a systematic …
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Android behind the scenes: revealing hidden malware with AndroMEDA
… Play Store (GPStore), created a permission-based security model in which users are prompted with a list of permissions they must accept in order to download and install an application. In recent years many researchers have presented attacks compromising the previous security model using different …
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Usable Post-Classification Visualizations for Android Collusion Detection and Inspection
Android malware collusion is a new threat model that occurs when multiple Android apps communicate in order to execute an attack. This threat model threatens all Android users' private information and system resource security. Although recent research has made advances in collusion detection and …
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Understanding and Improving Security of the Android Operating System
<p>Successful realization of practical computer security improvements requires an understanding and insight into the system's security architecture, combined with a consideration of end-users' needs as well as the system's design tenets. In the case of Android, a system with an open, modular …
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Security Implications of Reflection across the Android Ecosystem
As Android continues to evolve into a general-purpose operating system beyond smartphones, reflection provides adversaries with a practical mechanism to evade modern API restrictions and undermine defenses that rely on static linkage. In this thesis, we show that, despite the mitigation measures …
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Static Analysis of Android Secure Application Development Process with FindSecurityBugs
… mobile devices. Due to this increase in usage, security threats to mobile applications are also growing explosively. Mobile app flaws and security defects can provide opportunities for hackers to break into them and access sensitive information. Defensive coding needs to be an integral part of …
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SYSTEMATIC DISCOVERY OF ANDROID CUSTOMIZATION HAZARDS
<p>The open nature of Android ecosystem has naturally laid the foundation for a highly fragmented operating system. In fact, the official AOSP versions have been aggressively customized into thousands of system images by everyone in the customization chain, such as device manufacturers, vendors, …
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UNCOVERING AND MITIGATING UNSAFE PROGRAM INTEGRATIONS IN ANDROID
<p>Android’s design philosophy encourages the integration of resources and functionalities from multiple parties, even with different levels of trust. Such program integrations, on one hand, connect every party in the Android ecosystem tightly on one single device. On the other hand, they can also …
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Android at risk: current threats stemming from unprotected local and external resources
Android is an open source platform derived from Linux OS. It utilizes a plethora of resources both local and external. Most of its local resources (e.g procfs nodes) were inherited from Linux with some of them being even- tually removed, while new ones were added to meet the requirements of a …
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SECURING USER INTERACTION CHANNELS ON MOBILE PLATFORM USING ARM TRUSTZONE
… channels of UI input and audio I/O. The security of the software running on smartphones has become more critical because of widespread smartphone usage. A technology called TEE (Trusted Execution Environment) has been introduced to help protect users in the event of OS compromise, with …
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Android Application Install-time Permission Validation and Run-time Malicious Pattern Detection
The open source structure of Android applications introduces security vulnerabilities that can be readily exploited by third-party applications. We address certain vulnerabilities at both installation and runtime using machine learning. Effective classification techniques with neural networks can …