collaborators

9 papers

cs.CR2026

VulnScout-C: A Lightweight Transformer for C Code Vulnerability Detection

Aymen Lassoued, Nacef Mbarek, Bechir Dardouri +3

Vulnerability detection in C programs is a critical challenge in software security. Although large language models (LLMs) achieve strong detection performance, their multi-billion-…

cs.CR2026

PatchBlock: A Lightweight Defense Against Adversarial Patches for Embedded EdgeAI Devices

Nandish Chattopadhyay, Abdul Basit, Amira Guesmi +3

Adversarial attacks pose a significant challenge to the reliable deployment of machine learning models in EdgeAI applications, such as autonomous driving and surveillance, which re…

cs.CR2025

Cybersecurity of High-Altitude Platform Stations: Threat Taxonomy, Attacks and Defenses with Standards Mapping - DDoS Attack Use Case

Chaouki Hjaiji, Bassem Ouni, Mohamed-Slim Alouini

High-Altitude Platform Stations (HAPS) are emerging stratospheric nodes within non-terrestrial networks. We provide a structured overview of HAPS subsystems and principal communica…

cs.CV2025

TESSER: Transfer-Enhancing Adversarial Attacks from Vision Transformers via Spectral and Semantic Regularization

Amira Guesmi, Bassem Ouni, Muhammad Shafique

Adversarial transferability remains a critical challenge in evaluating the robustness of deep neural networks. In security-critical applications, transferability enables black-box…

cs.CV2025

TriQDef: Disrupting Semantic and Gradient Alignment to Prevent Adversarial Patch Transferability in Quantized Neural Networks

Amira Guesmi, Bassem Ouni, Muhammad Shafique

Quantized Neural Networks (QNNs) are increasingly deployed in edge and resource-constrained environments due to their efficiency in computation and memory usage. While shown to dis…

cs.CV2025

ShrinkBox: Backdoor Attack on Object Detection to Disrupt Collision Avoidance in Machine Learning-based Advanced Driver Assistance Systems

Muhammad Zaeem Shahzad, Muhammad Abdullah Hanif, Bassem Ouni +1

Advanced Driver Assistance Systems (ADAS) significantly enhance road safety by detecting potential collisions and alerting drivers. However, their reliance on expensive sensor tech…