Nikolaos Alexopoulos

According to our database, Nikolaos Alexopoulos authored at least 21 papers between 2017 and 2026.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2026

WOOTdroid: Whole-system Online On-device Tracing for Android.

Simon Althaus, Nikolaos Alexopoulos, Max Mühlhäuser, Christian Reuter, Ephraim Zimmer

CoRR, April, 2026

Measuring and Exploiting Confirmation Bias in LLM-Assisted Security Code Review.

Dimitris Mitropoulos, Nikolaos Alexopoulos, Georgios Alexopoulos, Diomidis Spinellis

CoRR, March, 2026

Cross-Ecosystem Vulnerability Analysis for Python Applications.

Georgios Alexopoulos, Nikolaos Alexopoulos, Thodoris Sotiropoulos, Charalambos Mitropoulos, Zhendong Su, Dimitris Mitropoulos

CoRR, March, 2026

Measuring the Performance of Candidate Verifiable Credential Schemes for the EU Digital Identity Wallet.

Angelos Ioannis Lagos, Diomidis Spinellis, Nikolaos Alexopoulos

Proceedings of the 41st ACM/SIGAPP Symposium on Applied Computing, 2026

An Empirical Comparison of Security and Privacy Characteristics of Android Messaging Apps.

Ioannis Karyotakis, Foivos Timotheos Proestakis, Evangelos Talos, Diomidis Spinellis, Nikolaos Alexopoulos

Proceedings of the 41st ACM/SIGAPP Symposium on Applied Computing, 2026

2024

Towards Democratic Computing.

Max Mühlhäuser, Nikolaos Alexopoulos, Uwe Gropengießer, Kamran Razavi, Lin Wang

Proceedings of the From Multimedia Communications to the Future Internet, 2024

2022

New Approaches to Software Security Metrics and Measurements.

Nikolaos Alexopoulos

PhD thesis, 2022

How Long Do Vulnerabilities Live in the Code? A Large-Scale Empirical Measurement Study on FOSS Vulnerability Lifetimes.

Nikolaos Alexopoulos, Manuel Brack, Jan Philipp Wagner, Tim Grube, Max Mühlhäuser

Proceedings of the 31st USENIX Security Symposium, 2022

2021

Who are Vulnerability Reporters?: A Large-scale Empirical Study on FLOSS.

Nikolaos Alexopoulos, Andrew Meneely, Dorian Arnouts, Max Mühlhäuser

Proceedings of the ESEM '21: ACM / IEEE International Symposium on Empirical Software Engineering and Measurement, 2021

2020

The Tip of the Iceberg: On the Merits of Finding Security Bugs.

Nikolaos Alexopoulos, Sheikh Mahbub Habib, Steffen Schulz, Max Mühlhäuser

ACM Trans. Priv. Secur., 2020

TRIDEnT: towards a decentralized threat indicator marketplace.

Nikolaos Alexopoulos, Emmanouil Vasilomanolakis, Stéphane Le Roux, Steven Rowe, Max Mühlhäuser

Proceedings of the SAC '20: The 35th ACM/SIGAPP Symposium on Applied Computing, online event, [Brno, Czech Republic], March 30, 2020

2019

TRIDEnT: Building Decentralized Incentives for Collaborative Security.

Nikolaos Alexopoulos, Emmanouil Vasilomanolakis, Stéphane Le Roux, Steven Rowe, Max Mühlhäuser

CoRR, 2019

Assessing the Threat of Blockchain-based Botnets.

Leon Böck, Nikolaos Alexopoulos, Emine Saracoglu, Max Mühlhäuser, Emmanouil Vasilomanolakis

Proceedings of the 2019 APWG Symposium on Electronic Crime Research, 2019

Poster: Towards Automated Quantitative Analysis and Forecasting of Vulnerability Discoveries in Debian GNU/Linux.

Nikolaos Alexopoulos, Rolf Egert, Tim Grube, Max Mühlhäuser

Proceedings of the 2019 ACM SIGSAC Conference on Computer and Communications Security, 2019

2018

M-STAR: A Modular, Evidence-based Software Trustworthiness Framework.

Nikolaos Alexopoulos, Sheikh Mahbub Habib, Steffen Schulz, Max Mühlhäuser

CoRR, 2018

Trust4App: Automating Trustworthiness Assessment of Mobile Applications.

Sheikh Mahbub Habib, Nikolaos Alexopoulos, Md Monirul Islam, Jens Heider, Stephen Marsh, Max Mühlhäuser

Proceedings of the 17th IEEE International Conference On Trust, 2018

Towards Secure Distributed Trust Management on a Global Scale: An analytical approach for applying Distributed Ledgers for authorization in the IoT.

Nikolaos Alexopoulos, Sheikh Mahbub Habib, Max Mühlhäuser

Proceedings of the 2018 Workshop on IoT Security and Privacy, 2018

2017

MCMix: Anonymous Messaging via Secure Multiparty Computation.

Nikolaos Alexopoulos, Aggelos Kiayias, Riivo Talviste, Thomas Zacharias

Proceedings of the 26th USENIX Security Symposium, 2017

Beyond the Hype: On Using Blockchains in Trust Management for Authentication.

Nikolaos Alexopoulos, Jörg Daubert, Max Mühlhäuser, Sheikh Mahbub Habib

Proceedings of the 2017 IEEE Trustcom/BigDataSE/ICESS, Sydney, Australia, August 1-4, 2017, 2017

On enhancing trust in cryptographic solutions: student research abstract.

Nikolaos Alexopoulos

Proceedings of the Symposium on Applied Computing, 2017

Towards Blockchain-Based Collaborative Intrusion Detection Systems.

Nikolaos Alexopoulos, Emmanouil Vasilomanolakis, Natália Réka Ivánkó, Max Mühlhäuser

Proceedings of the Critical Information Infrastructures Security, 2017