@article{mexis2025achievingerrorfree,
  doi          = {10.1109/TCSI.2024.3480852},
  url          = {https://doi.org/10.1109/TCSI.2024.3480852},
  title        = {{Achieving Error-Free Lightweight Authentication with DRAM-Based Physical Unclonable Functions}},
  author       = {Mexis, Nico and Anagnostopoulos, Nikolaos Athanasios and Katzenbeisser, Stefan and Kavun, Elif Bilge and Tehranipoor, Sara and Arul, Tolga},
  year         = 2025,
  month        = feb,
  journal      = {IEEE Transactions on Circuits and Systems I: Regular Papers},
  publisher    = {Institute of Electrical and Electronics Engineers (IEEE)},
  volume       = 72,
  number       = 2,
  pages        = {637--646},
  issn         = {1558-0806},
  keywords     = {Random access memory;Authentication;Convolutional neural networks;Physical unclonable function;Feature extraction;Neural networks;Training;Computer architecture;Bayes methods;Robustness;Dynamic random access memory (DRAM);physical unclonable function (PUF);machine learning (ML);convolutional neural network (CNN);Bayesian neural network (BNN);classification;authentication}
}

@inproceedings{mexis2024tailoredraspberrypi,
  doi          = {10.1109/ZINC61849.2024.10579292},
  url          = {https://doi.org/10.1109/ZINC61849.2024.10579292},
  title        = {{Tailored Raspberry Pi 3B+ Software for the Implementation of Hardware Security Primitives Based on Commercial Off-the-Shelf Devices}},
  author       = {Mexis, Nico and Chen, Shuai and Katzenbeisser, Stefan and Arul, Tolga and Anagnostopoulos, Nikolaos Athanasios},
  year         = 2024,
  month        = may,
  booktitle    = {2024 Zooming Innovation in Consumer Technologies Conference (ZINC)},
  publisher    = {IEEE},
  address      = {Novi Sad, Serbia},
  pages        = {90--95},
  keywords     = {Technological innovation;Codes;Hardware security;Resistive RAM;Random access memory;Physical unclonable function;Software;software;hardware security primitive;Commercial Off-The-Self (COTS);Raspberry Pi;hardware and software co-engineering}
}

@article{mexis2024analysiseffectstemperature1a,
  doi          = {10.18420/CDM-2024-36-02},
  url          = {https://doi.org/10.18420/CDM-2024-36-02},
  title        = {{An Analysis of the Effects of Temperature on the Performance of ReRAM-Based TRNGs}},
  author       = {Mexis, Nico and Anagnostopoulos, Nikolaos Athanasios and Arul, Tolga and Katzenbeisser, Stefan},
  year         = 2024,
  month        = mar,
  journal      = {crypto day matters 36},
  publisher    = {Gesellschaft f\"{u}r Informatik e.V. / FG KRYPTO},
  address      = {Bonn, Germany},
  language     = {en}
}

@unpublished{mexis2024analysiseffectstemperature2b,
  title        = {{An Analysis of the Effects of Temperature on the Performance of ReRAM-Based TRNGs}},
  author       = {Mexis, Nico and Anagnostopoulos, Nikolaos Athanasios and Katzenbeisser, Stefan and Arul, Tolga},
  year         = 2024,
  month        = mar,
  address      = {Valencia, Spain},
  note         = {Workshop on ``Nano-Security: From Nano-Electronics to Secure Systems'' (co-located with the 27th Design, Automation and Test in Europe Conference \& Exhibition (DATE 2024), as Workshop 03)}
}

@inproceedings{mexis2023spatialcorrelationweak,
  doi          = {10.1109/DSD60849.2023.00020},
  url          = {https://doi.org/10.1109/DSD60849.2023.00020},
  title        = {{Spatial Correlation in Weak Physical Unclonable Functions: A Comprehensive Overview}},
  author       = {Mexis, Nico and Arul, Tolga and Anagnostopoulos, Nikolaos Athanasios and Frank, Florian and B\"{o}ttger, Simon and Hartmann, Martin and Hermann, Sascha and Kavun, Elif Bilge and Katzenbeisser, Stefan},
  year         = 2023,
  month        = sep,
  booktitle    = {2023 26th Euromicro Conference on Digital System Design (DSD)},
  publisher    = {IEEE},
  address      = {Golem, Albania},
  pages        = {70--78},
  keywords     = {Measurement;Correlation;Digital systems;Random access memory;Carbon nanotubes;Physical unclonable function;Static Random Access Memory (SRAM);Dynamic Random Access Memory (DRAM);Flash memory;Ring oscillator;Carbon nanotube;Physical Unclonable Function (PUF);spatial correlation;attack mitigation}
}

@article{mexis2023improvedmachinelearning,
  doi          = {10.18420/CDM-2023-35-03},
  url          = {https://doi.org/10.18420/CDM-2023-35-03},
  title        = {{An Improved Machine-Learning Model for the Identification and Classification of Memory-Based PUF Responses}},
  author       = {Mexis, Nico and Anagnostopoulos, Nikolaos Athanasios and Arul, Tolga and Kavun, Elif Bilge and Katzenbeisser, Stefan},
  year         = 2023,
  month        = may,
  journal      = {crypto day matters 35},
  publisher    = {Gesellschaft f\"{u}r Informatik e.V. / FG KRYPTO},
  address      = {Bonn, Germany},
  language     = {en}
}

@article{mexis2021fuzzyextractorsusing,
  doi          = {10.18420/CDM-2021-33-41},
  url          = {https://doi.org/10.18420/CDM-2021-33-41},
  title        = {{Fuzzy Extractors using Low-Density Parity-Check Codes}},
  author       = {Mexis, Nico and Anagnostopoulos, Nikolaos Athanasios and Arul, Tolga and Frank, Florian and Katzenbeisser, Stefan},
  year         = 2021,
  month        = sep,
  journal      = {crypto day matters 33},
  publisher    = {Gesellschaft f\"{u}r Informatik e.V. / FG KRYPTO},
  address      = {Bonn, Germany},
  language     = {en}
}

@inproceedings{mexis2021designsecurenetwork,
  doi          = {10.1145/3472716.3472849},
  url          = {https://doi.org/10.1145/3472716.3472849},
  title        = {{A Design for a Secure Network of Networks Using a Hardware and Software Co-Engineering Architecture}},
  author       = {Mexis, Nico and Anagnostopoulos, Nikolaos Athanasios and Chen, Shuai and Bambach, Jan and Arul, Tolga and Katzenbeisser, Stefan},
  year         = 2021,
  month        = aug,
  booktitle    = {Proceedings of the {SIGCOMM} '21 Poster and Demo Sessions},
  location     = {Virtual Event},
  publisher    = {Association for Computing Machinery},
  address      = {New York, NY, USA},
  series       = {SIGCOMM '21},
  pages        = {65--67},
  isbn         = 9781450386296,
  keywords     = {network of networks, hardware and software security co-engineering, internet of things},
  numpages     = 3
}

@article{mexis2021lightweightarchitecturehardware,
  doi          = {10.1145/3458824},
  url          = {https://doi.org/10.1145/3458824},
  title        = {{A Lightweight Architecture for Hardware-Based Security in the Emerging Era of Systems of Systems}},
  author       = {Mexis, Nico and Anagnostopoulos, Nikolaos Athanasios and Chen, Shuai and Bambach, Jan and Arul, Tolga and Katzenbeisser, Stefan},
  year         = 2021,
  month        = jun,
  journal      = {{ACM} Journal on Emerging Technologies in Computing Systems},
  publisher    = {Association for Computing Machinery},
  address      = {New York, NY, USA},
  volume       = 17,
  number       = 3,
  pages        = {1--25},
  issn         = {1550-4832},
  keywords     = {hardware and software security co-engineering, Internet of Things, IoT 2.0, System of systems},
  numpages     = 25,
  articleno    = 43,
  issue_date   = {July 2021}
}

@article{mexis2024enhancingdatasecurity,
  title        = {{Enhancing Data Security with Chaos-Based Cryptography: A R\"{o}ssler Circuit Implementation}},
  author       = {Mexis, Nico and Bognitschar, Cathrin and Klinke, Julian and Anagnostopoulos, Nikolaos Athanasios and Chang, Joseph He and Arul, Tolga and George, Aleena Elsa and Katzenbeisser, Stefan},
  year         = {submitted for publication},
  journal      = {crypto day matters 37},
  publisher    = {Gesellschaft f\"{u}r Informatik e.V. / FG KRYPTO},
  address      = {Bonn, Germany},
  @doi         = {10.18420/CDM-xx},
  @url         = {https://doi.org/10.18420/CDM-xx},
  @year        = 2024,
  @month       = sep,
  language     = {en}
}

@inproceedings{mexis2025datadrivenapproach,
  title        = {{A Data-Driven Approach for Cyber Security Assessments of SMEs}},
  author       = {Mexis, Nico and Katzenbeisser, Stefan},
  year         = {submitted for publication},
  booktitle    = {Proceedings of the 20th International Conference on Availability, Reliability and Security},
  location     = {Ghent, Belgium},
  publisher    = {Association for Computing Machinery},
  address      = {New York, NY, USA},
  series       = {ARES 2025},
  @url         = {https://doi.org/X/X},
  @doi         = {X/X},
  keywords     = {Cyber Security, Assessment, Small and Medium-sized Enterprise (SME), Score, Principal Component Analysis (PCA), Logistic Regression (LR), Cluster, Risk Management, Survey},
  @year        = 2025,
  @month       = aug,
  collection   = {ARES 2025}
}

@inproceedings{mexis2025exposinggapsstate,
  doi          = {10.1007/978-3-031-94924-1_14},
  url          = {https://doi.org/10.1007/978-3-031-94924-1\_14},
  title        = {{Exposing the Gaps: The State of Supply Chain Coverage in Current Security Standards}},
  author       = {Mexis, Nico and Lill, Bjarne and Doleh, Yousef and Katzenbeisser, Stefan},
  year         = {submitted for publication},
  booktitle    = {Information Security Education. Empowering People through Information Security Education},
  publisher    = {Springer Nature Switzerland},
  address      = {Cham, Switzerland},
  isbn         = 9783031949241,
  issn         = {1868-422X},
  editor       = {Drevin, Lynette and Leung, Wai Sze and von Solms, Sun\'{e}},
  @year        = 2025,
  @month       = aug
}