Research · Papers

Published work

Peer-reviewed papers and preprints. Where there is code or data, it is public, and where there is a longer explanation, it is on systemlayers.

  • 2026

    Journal article · Applied Sciences 16(20), 10259

    What a Secret Rotation Buys: Exact Retrieval and Measured Leakage in Vector Databases

    Ionuț Cernica, Nirvana Popescu

    Keyed orthogonal obfuscation of embeddings against a snapshot adversary: retrieval stays exact across three BEIR datasets, three encoders and six database engines, and the paper measures what the geometry still leaks.

    DOI ↗Code →Write-up →

  • 2026

    Preprint · Zenodo

    Structural Desynchronization in Large Language Model Systems: Probabilistic Boundary Inference as a Security Failure Class

    Models reconstruct object boundaries that diverge from the declared structure of their input, across JSON, XML, CSV and raw logs, with protocol, per-model rates and raw runs.

    DOI ↗Data ↗Write-up →

  • 2021

    Conference paper · IEEE BlackSeaCom

    Detecting Indicators of Compromise in Web Applications Using Access Logs

  • 2020

    Conference paper · IEEE RoEduNet

    Computer Vision Based Framework for Detecting Phishing Webpages

  • 2019

    Conference paper · IEEE CSCS

    Security Evaluation of WordPress Backup Plugins

  • 2018

    Conference paper · IEEE EUC

    WordPress Honeypot Module