4 citations · 6 across the 7 of their papers we have counts for
6 papers · 1 filter
WOOTdroid: Whole-system Online On-device Tracing for Android
Simon Althaus, Nikolaos Alexopoulos, Max Mühlhäuser +2
System auditing on Android faces two problems. First, existing syscall tracers lose events under load, silently overwriting entries faster than a user space reader can drain them.…
An Empirical Comparison of Security and Privacy Characteristics of Android Messaging Apps
Ioannis Karyotakis, Foivos Timotheos Proestakis, Evangelos Talos +2
Mobile messaging apps are a fundamental communication infrastructure, used by billions of people every day to share information, including sensitive data. Security and Privacy are…
Cross-Ecosystem Vulnerability Analysis for Python Applications
Georgios Alexopoulos, Nikolaos Alexopoulos, Thodoris Sotiropoulos +3
Python packages often bundle third-party native libraries (e.g., OpenSSL), a practice known as vendoring. Identifying vulnerabilities in these libraries is challenging because curr…
TRIDEnT: Building Decentralized Incentives for Collaborative Security
Nikolaos Alexopoulos, Emmanouil Vasilomanolakis, Stephane Le Roux +2
Sophisticated mass attacks, especially when exploiting zero-day vulnerabilities, have the potential to cause destructive damage to organizations and critical infrastructure. To tim…
M-STAR: A Modular, Evidence-based Software Trustworthiness Framework
Nikolaos Alexopoulos, Sheikh Mahbub Habib, Steffen Schulz +1
Despite years of intensive research in the field of software vulnerabilities discovery, exploits are becoming ever more common. Consequently, it is more necessary than ever to choo…
Beyond the Hype: On Using Blockchains in Trust Management for Authentication
Nikolaos Alexopoulos, Jörg Daubert, Max Mühlhäuser +1
Trust Management (TM) systems for authentication are vital to the security of online interactions, which are ubiquitous in our everyday lives. Various systems, like the Web PKI (X.…