Peer-reviewed Publications

• Election administrators’ perceptions of verifiable online voting and its use in local elections
  Iuliia Spycher-Krivonosova, Nicole J. Goodman and Aleksander Essex.
  EJournal of EDemocracy and Open Government (JeDEM), 16(3), pp. 80-99, 2024
   
• Privacy Preserving Genomic Data Imputation using Autoencoders
  Mounika Pratapa and Aleksander Essex.
  28th International Conference on Knowledge-Based and Intelligent Information & Engineering Systems. Accepted.
   
• Secure similar patients query with homomorphically evaluated thresholds
  Mounika Pratapa and Aleksander Essex.
  Journal of Information Security and Applications, vol. 85, 2024.
   
• Secure Function Extensions to Additively Homomorphic Cryptosystems
  Mounika Pratapa and Aleksander Essex.
  30th International Conference on Selected Areas in Cryptography (SAC), LNCS vol. 14201, pp. 346-366, 2023.
   
• Verifiability Experiences in Ontario’s 2022 Online Elections
  Nicole Goodman, Iuliia Spycher-Krivonosova, James Brunet and Aleksander Essex.
  International Joint Conference on Electronic Voting (E-Vote-ID), LNCS vol. 14230, pp. 87-105, 2023.
   
• Online Voting in Ontario Municipalities: A Standards-based Review
  James Brunet and Aleksander Essex.
  International Joint Conference on Electronic Voting (E-Vote-ID), LNCS vol. 14230, pp. 52-68, 2023.
   
• Review Your Choices: When Confirmation Pages Break Ballot Secrecy in Online Elections
  James Brunet, Athanasios Demetri Pananos and Aleksander Essex.
  International Joint Conference on Electronic Voting (E-Vote-ID), LNCS vol. 13553, pp. 36–52, 2022
   
• A Cyber-Threat Analysis of Online Voting in Canada
  Aleksander Essex and Nicole Goodman.
  In, Cyber Threats to Canadian Democracy, McGill-Queen's University Press. Holly Ann Garnett and Michael Pal eds. ISBN 9780228011477, 2022
   
• A Security and Privacy Scoring System for Contact Tracing Apps
  Leah Krehling, Aleksander Essex.
  Journal of Cybersecurity and Privacy, 1(4), 597-614, 2021.
   
• Protecting Electoral Integrity in the Digital Age: Developing E-Voting Regulations in Canada.
  Nicole Goodman, Aleksander Essex.
  Election Law Journal: Rules, Politics, and Policy. vol. 19, no. 2, 2020.
   
• Online Voting in Ontario Municipal Elections: A Conflict of Legal Principles and Technology?
  Anthony Cardillo, Nicholas Akinyokun and Aleksander Essex.
  International Joint Conference on Electronic Voting (E-Vote-ID), LNCS vol. 11758, pp. 67-82, 2019. Recipient of the Best Paper Award.
   
• Knights and Knaves Run Elections: Internet Voting and Undetectable Electoral Fraud.
  Chris Culnane, Aleksander Essex, Sarah Jamie Lewis, Olivier Pereira and Vanessa Teague.
  IEEE Security & Privacy, vol. 17, no. 4, pp. 62-70, July-Aug. 2019.
   
• Secure Approximate String Matching for Privacy-Preserving Record Linkage.
  Aleksander Essex.
  IEEE Transactions on Information Forensics and Security. 14(10) pp. 2623-2632, 2019.
   
• Dimensionality Reduction with IG-PCA and Ensemble Classifiers for Network Intrusion Detection.
  Fadi Salo, Ali Bou Nassif, Aleksander Essex.
  Computer Networks, 148 pp. 164-175, 2019.
   
• Data Mining with Big Data in Intrusion Detection Systems: A Systematic Literature Review.
  Fadi Salo, MohammadNoor Injadat, Ali Bou Nassif and Aleksander Essex.
  International Symposium on Big Data Management and Analytics (BIDMA), 2019.
   
• Clustering Enabled Classification using Ensemble Feature Selection for Intrusion Detection.
  Fadi Salo, MohammadNoor Injadat, Abdallah Moubayed, Ali Bou Nassif, Abdallah Shami, and Aleksander Essex.
  IEEE International Conference on Computing, Networking and Communications (ICNC), 2019.
   
• The Threat of SSL/TLS Stripping to Online Elections.
  Anthony Cardillo and Aleksander Essex.
  International Joint Conference on Electronic Voting (E-Vote-ID). LNCS vol. 11143, pp. 35-50, 2018.
   
• Bayesian Optimization with Machine Learning Algorithms Towards Anomaly Detection.
  MohammadNoor Injadat, Fadi Salo, Ali Bou Nassif, Aleksander Essex, Abdallah Shami.
  IEEE Global Communications Conference (GLOBECOM) 2018.
   
• Threshold Properties of Prime Power Subgroups with Application to Secure Integer Comaprisons.
  Rhys Carlton, Aleksander Essex and Krzysztof Kapulkin.
  Topics in Cryptology (CT-RSA 2018). LNCS vol. 10808, pp. 137-156, 2018.
   
• Trust Implications of DDoS Protection in Online Elections.
  Chris Culnane, Mark Eldridge, Aleksander Essex and Vanessa Teague.
  International Joint Conference on Electronic Voting (E-Vote-ID), LNCS vol. 10615, pp. 127-145, 2017.
   
• Data Mining Techniques in Intrusion Detection Systems: A Systematic Literature Review.
  Fadi Salo, MohammadNoor Injadat, Ali Bou Nassif, Abdallah Shami, and Aleksander Essex.
  IEEE Access, 6(2) pp. 56046-56058, 2018.
   
• Detecting the Detectable: Unintended Consequences of Cryptographic Election Verification.
  Aleksander Essex.
  IEEE Security and Privacy, 15(3) pp. 30-38, 2017.
   
• Geospatial cryptography: Accelerating human subjects research in cancer control and surveillance.
  Geoffrey M Jacquez, Aleksander Essex, Andrew Curtis and others.
  Journal of Geographical Systems. 19(3) pp. 197-220, 2017.
   
• A Privacy Preserving Protocol for Tracking Participants in Phase I Clinical Trials.
  Khaled El Emam, Hanna Farah, Saeed Samet, Aleksander Essex, Elizabeth Jonker, Murat Kantarcioglu, Craig C. Earle.
  Journal of Biomedical Informatics (BMI) vol. 57 pp. 145-162, 2015.
   
• Diffusion of Voter Responsibility: Potential Failings in E2E Receipt Checking.
  Ester Moher, Jeremy Clark, Aleksander Essex.
  USENIX Journal of Election Technology and Systems (JETS) 3(1), 2014.
   
• Secure Surveillance of Antimicrobial Resistant Organism Colonization or Infection in Ontario Long Term Care Homes.
  Khaled El Emam, Luk Arbuckle, Aleksander Essex, Saeed Samet, Benjamin Eze, Grant Middleton, David Buckeridge, Elizabeth Jonker,Ester Moher, Craig Earle.
  Public Library of Science ONE (PLoS One) 9(5), 2014.
   
• A Protocol for the Secure Linking of Registries for HPV Surveillance.
  Khaled El Emam, Saeed Samet, Jun Hu, Liam Peyton, Craig Earle, Gayatri Jayaraman, Tom Wong, Murat Kantarcioglu, Fida Dankar, and Aleksander Essex.
  Public Library of Science ONE (PLoS One) 7(7), 2012.
   
• HOVER: Trustworthy Elections with Hash-only Verification.
  Aleksander Essex and Urs Hengartner.
  IEEE Security and Privacy, 10(5), September-October 2012, pp. 18-24.
   
• Scantegrity II: End-to-End Verifiability by Voters of Optical Scan Elections Through Confirmation Codes.
  David Chaum, Richard Carback, Jeremy Clark, Aleksander Essex, Stefan Popoveniuc, Ronald L. Rivest, Peter Y. A. Ryan, Emily Shen, Alan T. Sherman, and Poorvi L. Vora.
  IEEE Transactions on Information Forensics and Security, 4(4), pp. 611-627, 2009.
   
• Scantegrity: end-to-end voter verifiable optical-scan voting.
  David Chaum, Aleks Essex, Richard T. Carback III, Jeremy Clark, Stefan Popoveniuc, Alan T. Sherman, Poorvi Vora.
  IEEE Security and Privacy, vol. 6, no. 3, pp. 40-46, May/June 2008.
   
• Indiscreet Logs: Diffie-Hellman Backdoors in TLS.
  Kristen Dorey, Nicholas Chang-Fong and Aleksander Essex.
  Network and Distributed System Security Symposium (NDSS), 2017.
   
• The Cloudier Side of Cryptographic End-to-end Verifiable Voting: A Security Analysis of Helios.
  Nicholas Chang-Fong and Aleksander Essex.
  32nd Annual Conference on Security Applications Conference (ACSAC), 2016.
   
• Remotegrity: Design and Use of an End-to-End Verifiable Remote Voting System.
  Filip Zagorski, Richard Carback, David Chaum, Jeremy Clark, Aleksander Essex, and Poorvi Vora.
  11th International Conference on Applied Cryptography and Network Security (ACNS) pp. 441-457, 2013.
   
• COBRA: Toward Concurrent Ballot Authorization for Internet Voting.
  Aleksander Essex, Jeremy Clark, and Urs Hengartner.
  Proceedings of the 2012 Electronic Voting Technology Workshop/Workshop on Trustworthy Elections (EVT/WOTE), 2012.
   
• Oblivious Printing of Secret Messages in a Multi-party Setting.
  Aleksander Essex and Urs Hengartner.
  Proceedings of the 16th Conference on Financial Cryptography and Data Security (FC) pp. 359-373, 2012.
   
• CommitCoin: Commitments with Temporal Dispute Resolution using Bitcoin (Short Paper).
  Jeremy Clark and Aleksander Essex.
  Proceedings of the 16th Conference on Financial Cryptography and Data Security (FC) pp. 390-398, 2012.
   
• Single Layer Optical-scan Voting with Fully Distributed Trust.
  Aleksander Essex, Christian Henrich, Urs Hengartner.
  Proceedings of the Third International Conference on E-voting and Identity (VoteID), 2011.
   
• Eperio: Mitigating Technical Complexity in Cryptographic Election Verification.
  Aleksander Essex, Jeremy Clark, Urs Hengartner, and Carlisle Adams.
  Proceedings of the 2010 Electronic Voting Technology Workshop/Workshop on Trustworthy Elections (EVT/WOTE), 2010.
   
• Scantegrity II Municipal Election at Takoma Park: The First E2E Binding Governmental Election with Ballot Privacy.
  Richard Carback, David Chaum, Jeremy Clark, John Conway, Aleksander Essex, Paul S. Herrnson, Travis Mayberry, Stefan Popoveniuc, Ronald L. Rivest, Emily Shen, Alan T. Sherman, and Poorvi L. Vora.
  Proceedings of the 19th USENIX Security Symposium, 2010.
   
• Scantegrity Mock Election at Takoma Park.
  Alan T. Sherman, Richard Carback, David Chaum, Jeremy Clark, Aleksander Essex, Paul S. Herrnson, Travis Mayberry, Stefan Popoveniuc, Ronald L. Rivest, Emily Shen, Bimal Sinha and Poorvi L. Vora.
  Proceedings of the 4th Conference on Electronic Voting (EVOTE), 2010.
   
• How to Print a Secret.
  Aleks Essex, Jeremy Clark, Urs Hengartner, Carlisle Adams.
  Proceedings of the 4th USENIX Workshop on Hot Topics in Security (HotSec), 2009.
   
• Scantegrity II: End-to-end Verifiability for Optical Scan Election Systems Using Invisible Ink Confirmation Codes.
  David Chaum, Richard Carback, Jeremy Clark, Aleksander Essex, Stefan Popoveniuc, Ronald L. Rivest, Peter Y. A. Ryan, Emily Shen, Alan T. Sherman.
  Proceedings of the USENIX/Accurate Electronic Voting Technology Workshop (EVT), 2008.
   
• Aperio: High Integrity Elections for Developing Countries.
  Aleks Essex, Jeremy Clark, Carlisle Adams.
  Proceedings of the IAVoSS Workshop on Trustworthy Elections (WOTE), 2008. Also appears in Towards Trustworthy Elections: New Directions in Electronic Voting. LNCS vol. 6000, pp. 388-401, 2010.
   
• Securing Optical-scan Voting.
  Stefan Popoveniuc, Jeremy Clark, Aleks Essex, Richard T. Carback III, David Chaum.
  Proceedings of Frontiers of Electronic Voting, 2007. Also appears in Towards Trustworthy Elections: New Directions in Electronic Voting. LNCS vol. 6000, pp. 357-369, 2010.
   
• On the Independent Verification of a Punchscan Election.
  Richard T. Carback III, Jeremy Clark, Aleks Essex, Stefan Popoveniuc.
  Proceedings of the First University Voting Systems Competition (VoComp), 2007.
   
• On the Security of Ballot Receipts in E2E Voting Systems.
  Jeremy Clark, Aleks Essex, Carlisle Adams.
  Proceedings of the IAVoSS Workshop on Trustworthy Elections (WOTE), 2007.
   
• Punchscan in Practice: an E2E Election Case Study.
  Aleks Essex, Jeremy Clark, Richard T. Carback III, Stefan Popoveniuc.
  Proceedings of the IAVoSS Workshop on Trustworthy Elections (WOTE), 2007.
   
• Secure and Observable Auditing of Electronic Voting Systems Using Stock Indices.
  Jeremy Clark, Aleks Essex, Carlisle Adams.
  Proceedings of the Twentieth Canadian Conference on Electrical and Computer Engineering (IEEE CCECE), 2007.
   
• The Scantegrity Voting System and its Use in the Takoma Park Elections.
  Richard T. Carback, David Chaum, Jeremy Clark, Aleksander Essex and others.
  Real-World Electronic Voting: Design, Analysis and Deployment. Feng Hao, Peter Y. A. Ryan eds. CRC Press. 2016. ISBN 9781498714693.