39 citations · 47 across the 3 of their papers we have counts for
5 papers
Malicious and Low Credibility URLs on Twitter during the AstraZeneca COVID-19 Vaccine Development
Sameera Horawalavithana, Ravindu De Silva, Mohamed Nabeel +3
We investigate the link sharing behavior of Twitter users following the temporary halt of AstraZeneca COVID-19 vaccine development in September 2020. During this period, we show th…
COMONet: Community Mobile Network
Primal Wijesekera, Chamath I. Keppitiyagama
The density of mobile phones has increased rapidly in recent years. One drawback of the current mobile telephone technology is that it forces all the calls to go through cellular b…
Investigating MMM Ponzi scheme on Bitcoin
Yazan Boshmaf, Charitha Elvitigala, Husam Al Jawaheri +2
Cybercriminals exploit cryptocurrencies to carry out illicit activities. In this paper, we focus on Ponzi schemes that operate on Bitcoin and perform an in-depth analysis of MMM, o…
The Feasibility of Dynamically Granted Permissions: Aligning Mobile Privacy with User Preferences
Primal Wijesekera, Arjun Baokar, Lynn Tsai +4
Current smartphone operating systems regulate application permissions by prompting users on an ask-on-first-use basis. Prior research has shown that this method is ineffective beca…
Android Permissions Remystified: A Field Study on Contextual Integrity
Primal Wijesekera, Arjun Baokar, Ashkan Hosseini +3
Due to the amount of data that smartphone applications can potentially access, platforms enforce permission systems that allow users to regulate how applications access protected r…