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Ransomware constitutes a significant threat to the Android operating system. It can either lock or encrypt the target devices, and victims are forced to pay ransoms to restore their data. Hence, the prompt detection of such attacks has a…

Cryptography and Security · Computer Science 2019-07-03 Michele Scalas , Davide Maiorca , Francesco Mercaldo , Corrado Aaron Visaggio , Fabio Martinelli , Giorgio Giacinto

With the continuous growth in the usage of Android apps, ensuring their security has become critically important. An increasing number of malicious apps adopt anti-analysis techniques to evade security measures. Although some research has…

Cryptography and Security · Computer Science 2025-12-16 Dewen Suo , Lei Xue , Runze Tan , Weihao Huang , Guozi Sun

Cash payment is still king in several markets, accounting for more than 90\ of the payments in almost all the developing countries. The usage of mobile phones is pretty ordinary in this present era. Mobile phones have become an inseparable…

Cryptography and Security · Computer Science 2021-09-07 Waqas Ahmed , Amir Rasool , Neeraj Kumar , Abdul RehmanJaved , Thippa Reddy Gadekallu , Zunera Jalil , Natalia Kryvinska

The popularity of Android system, not only in the handset devices but also in IoT devices, makes it a very attractive destination for malware. Indeed, malware is expanding at a similar rate targeting such devices that rely, in most cases,…

Cryptography and Security · Computer Science 2018-06-26 ElMouatez Billah Karbab , Mouarad Debbabi

The astonishing spread of Android OS, not only in smartphones and tablets but also in IoT devices, makes this operating system a very tempting target for malware threats. Indeed, the latter are expanding at a similar rate. In this respect,…

Cryptography and Security · Computer Science 2017-02-21 ElMouatez Billah Karbab , Mourad Debbabi , Saed Alrabaee , Djedjiga Mouheb

Android is the most used Operating System worldwide for mobile devices, with hundreds of thousands of apps downloaded daily. Although these apps are primarily written in Java and Kotlin, advanced functionalities such as graphics or…

Cryptography and Security · Computer Science 2024-12-03 Silvia Lucia Sanna , Diego Soi , Davide Maiorca , Giorgio Fumera , Giorgio Giacinto

Copious mobile operating systems exist in the market, but Android remains the user's choice. Meanwhile, its growing popularity has also attracted malware developers. Researchers have proposed various static solutions for Android malware…

Cryptography and Security · Computer Science 2025-03-04 Yash Sharma , Anshul Arora

Mobile applications (apps) have become an essential part of everyday life, offering convenient access to services such as banking, healthcare, and shopping. With these apps handling sensitive personal and financial data, ensuring their…

Cryptography and Security · Computer Science 2024-08-20 Anthony Peruma , Timothy Huo , Ana Catarina Araújo , Jake Imanaka , Rick Kazman

Android OS experiences a blazing popularity since the last few years. This predominant platform has established itself not only in the mobile world but also in the Internet of Things (IoT) devices. This popularity, however, comes at the…

Cryptography and Security · Computer Science 2017-12-27 ElMouatez Billah Karbab , Mourad Debbabi , Abdelouahid Derhab , Djedjiga Mouheb

Android apps can hold secret strings of themselves such as cloud service credentials or encryption keys. Leakage of such secret strings can induce unprecedented consequences like monetary losses or leakage of user private information. In…

Cryptography and Security · Computer Science 2025-01-15 Lili Wei , Heqing Huang , Shing-Chi Cheung , Kevin Li

In developing countries, several key sectors, including education, finance, agriculture, and healthcare, mainly deliver their services via mobile app technology on handheld devices. As a result, mobile app security has emerged as a…

Cryptography and Security · Computer Science 2025-07-08 Alioune Diallo , Jordan Samhi , Tegawendé Bissyandé , Jacques Klein

Android malware detection has been extensively studied using both traditional machine learning (ML) and deep learning (DL) approaches. While many state-of-the-art detection models, particularly those based on DL, claim superior performance,…

Cryptography and Security · Computer Science 2025-07-31 Guojun Liu , Doina Caragea , Xinming Ou , Sankardas Roy

In the age of ubiquitous technologies, security- and privacy-focused choices have turned out to be a significant concern for individuals and organizations. Risks of such pervasive technologies are extensive and often misaligned with user…

Cryptography and Security · Computer Science 2020-07-01 Behnood Momenzadeh , Shakthidhar Gopavaram , Sanchari Das , L Jean Camp

Application markets provide a communication channel between app developers and their end-users in form of app reviews, which allow users to provide feedback about the apps. Although security and privacy in mobile apps are one of the biggest…

Cryptography and Security · Computer Science 2020-10-14 Debjyoti Mukherjee , Alireza Ahmadi , Maryam Vahdat Pour , Joel Reardon

With the growth of mobile devices and applications, the number of malicious software, or malware, is rapidly increasing in recent years, which calls for the development of advanced and effective malware detection approaches. Traditional…

Cryptography and Security · Computer Science 2018-12-12 Rui Zhu , Chenglin Li , Di Niu , Hongwen Zhang , Husam Kinawi

The number of smartphones, tablets, sensors, and connected wearable devices are rapidly increasing. Today, in many parts of the globe, the penetration of mobile computers has overtaken the number of traditional personal computers. This…

Cryptography and Security · Computer Science 2014-10-21 Muhammad Haris , Hamed Haddadi , Pan Hui

It is well known that antivirus engines are vulnerable to evasion techniques (e.g., obfuscation) that transform malware into its variants. However, it cannot be necessarily attributed to the effectiveness of these evasions, and the limits…

Cryptography and Security · Computer Science 2025-07-29 Guozhu Meng , Zhixiu Guo , Xiaodong Zhang , Haoyu Wang , Kai Chen , Yang Liu

With the expansion of the market share occupied by the Android platform, security issues (especially application security) have become attention focus of researchers. In fact, the existing methods lack the capabilities to manage application…

Cryptography and Security · Computer Science 2017-12-07 Yang Luo , Qixun Zhang , Qingni Shen , Hongzhi Liu , Zhonghai Wu

Android Notifications can be considered as essential parts in Human-Smartphone interaction and inextricable modules of modern mobile applications that can facilitate User Interaction and improve User Experience. This paper presents how this…

Cryptography and Security · Computer Science 2018-01-26 Constantinos Patsakis , Efthimios Alepis

Android malware is a spreading disease in the virtual world. Anti-virus and detection systems continuously undergo patches and updates to defend against these threats. Most of the latest approaches in malware detection use Machine Learning…

Cryptography and Security · Computer Science 2022-05-10 Harel Berger , Amit Dvir , Chen Hajaj , Rony Ronen