| 2026 | SAC | An Empirical Comparison of Security and Privacy Characteristics of Android Messaging Apps. | Ioannis Karyotakis, Foivos Timotheos Proestakis, Evangelos Talos, Diomidis Spinellis, Nikolaos Alexopoulos |
| 2026 | SAC | Measuring the Performance of Candidate Verifiable Credential Schemes for the EU Digital Identity Wallet. | Angelos Ioannis Lagos, Diomidis Spinellis, Nikolaos Alexopoulos |
| 2021 | ESEM | Who are Vulnerability Reporters?: A Large-scale Empirical Study on FLOSS. | Nikolaos Alexopoulos, Andrew Meneely, Dorian Arnouts, Max Mhlhuser |
| 2020 | SAC | TRIDEnT: towards a decentralized threat indicator marketplace. | Nikolaos Alexopoulos, Emmanouil Vasilomanolakis, Stphane Le Roux, Steven Rowe, Max Mhlhuser |
| 2019 | CCS | Poster: Towards Automated Quantitative Analysis and Forecasting of Vulnerability Discoveries in Debian GNU/Linux. | Nikolaos Alexopoulos, Rolf Egert, Tim Grube, Max Mhlhuser |
| 2018 | TrustCom | Trust4App: Automating Trustworthiness Assessment of Mobile Applications. | Sheikh Mahbub Habib, Nikolaos Alexopoulos, Md Monirul Islam, Jens Heider, Stephen Marsh, Max Mhlhuser |
| 2018 | SIGCOMM | 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 Mhlhuser |
| 2017 | CRITIS | Towards Blockchain-Based Collaborative Intrusion Detection Systems. | Nikolaos Alexopoulos, Emmanouil Vasilomanolakis, Natlia Rka Ivnk, Max Mhlhuser |
| 2017 | SAC | On enhancing trust in cryptographic solutions: student research abstract. | Nikolaos Alexopoulos |
| 2017 | TrustCom | Beyond the Hype: On Using Blockchains in Trust Management for Authentication. | Nikolaos Alexopoulos, Jrg Daubert, Max Mhlhuser, Sheikh Mahbub Habib |