activity
20192026
most citedQuery-Free Evasion Attacks Against Machine Learning-Based Malware Detectors with Generative Adversarial Networks

20 citations · 58 across the 30 of their papers we have counts for

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14 papers · 1 filter

cs.CR2026

Breaking MCP with Function Hijacking Attacks: Novel Threats for Function Calling and Agentic Models

Yannis Belkhiter, Giulio Zizzo, Sergio Maffeis +2

The growth of agentic AI has drawn significant attention to function calling Large Language Models (LLMs), which are designed to extend the capabilities of AI-powered system by inv…

cs.CR2026

Blue Teaming Function-Calling Agents

Greta Dolcetti, Giulio Zizzo, Sergio Maffeis

We present an experimental evaluation that assesses the robustness of four open source LLMs claiming function-calling capabilities against three different attacks, and we measure t…

cs.CR2025

Verifiability and Privacy in Federated Learning through Context-Hiding Multi-Key Homomorphic Authenticators

Simone Bottoni, Giulio Zizzo, Stefano Braghin +1

Federated Learning has rapidly expanded from its original inception to now have a large body of research, several frameworks, and sold in a variety of commercial offerings. Thus, i…

cs.CR2025★ 1 cited

Adversarial Prompt Evaluation: Systematic Benchmarking of Guardrails Against Prompt Input Attacks on LLMs

Giulio Zizzo, Giandomenico Cornacchia, Kieran Fraser +7

As large language models (LLMs) become integrated into everyday applications, ensuring their robustness and security is increasingly critical. In particular, LLMs can be manipulate…

cs.CR2024★ 9 cited

Assessing the Impact of Packing on Machine Learning-Based Malware Detection and Classification Systems

Daniel Gibert, Nikolaos Totosis, Constantinos Patsakis +2

The proliferation of malware, particularly through the use of packing, presents a significant challenge to static analysis and signature-based malware detection techniques. The app…

cs.CR2024★ 1 cited

Towards Assuring EU AI Act Compliance and Adversarial Robustness of LLMs

Tomas Bueno Momcilovic, Beat Buesser, Giulio Zizzo +2

Large language models are prone to misuse and vulnerable to security threats, raising significant safety and security concerns. The European Union's Artificial Intelligence Act see…