activity
20192026
most citedAdversarial Attacks on Time-Series Intrusion Detection for Industrial Control Systems

45 citations · 104 across the 32 of their papers we have counts for

collaborators

32 papers

cs.CL2026

TRACES: Tagging Reasoning Steps for Adaptive Cost-Efficient Early-Stopping

Yannis Belkhiter, Seshu Tirupathi, Giulio Zizzo +1

The field of Language Reasoning Models (LRMs) has been very active over the past few years with advances in training and inference techniques enabling LRMs to reason longer, and mo…

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.CL2025

Step-Tagging: Toward controlling the generation of Language Reasoning Models through step monitoring

Yannis Belkhiter, Seshu Tirupathi, Giulio Zizzo +1

The field of Language Reasoning Models (LRMs) has been very active over the past few years with advances in training and inference techniques enabling LRMs to reason longer, and mo…

cs.LG2025

Dynamic Features Adaptation in Networking: Toward Flexible training and Explainable inference

Yannis Belkhiter, Seshu Tirupathi, Giulio Zizzo +2

As AI becomes a native component of 6G network control, AI models must adapt to continuously changing conditions, including the introduction of new features and measurements driven…

cs.LG2025

Pre-Hoc Predictions in AutoML: Leveraging LLMs to Enhance Model Selection and Benchmarking for Tabular datasets

Yannis Belkhiter, Seshu Tirupathi, Giulio Zizzo +2

The field of AutoML has made remarkable progress in post-hoc model selection, with libraries capable of automatically identifying the most performing models for a given dataset. Ne…

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.LG2025

Activated LoRA: Fine-tuned LLMs for Intrinsics

Kristjan Greenewald, Luis Lastras, Thomas Parnell +6

Low-Rank Adaptation (LoRA) has emerged as a highly efficient framework for finetuning the weights of large foundation models, and has become the go-to method for data-driven custom…

cs.LG2025

MAD-MAX: Modular And Diverse Malicious Attack MiXtures for Automated LLM Red Teaming

Stefan Schoepf, Muhammad Zaid Hameed, Ambrish Rawat +4

With LLM usage rapidly increasing, their vulnerability to jailbreaks that create harmful outputs are a major security risk. As new jailbreaking strategies emerge and models are cha…

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.CL2024

Granite Guardian

Inkit Padhi, Manish Nagireddy, Giandomenico Cornacchia +20

We introduce the Granite Guardian models, a suite of safeguards designed to provide risk detection for prompts and responses, enabling safe and responsible use in combination with…

cs.CL2024

HarmLevelBench: Evaluating Harm-Level Compliance and the Impact of Quantization on Model Alignment

Yannis Belkhiter, Giulio Zizzo, Sergio Maffeis

With the introduction of the transformers architecture, LLMs have revolutionized the NLP field with ever more powerful models. Nevertheless, their development came up with several…

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.AI2024

Towards Assurance of LLM Adversarial Robustness using Ontology-Driven Argumentation

Tomas Bueno Momcilovic, Beat Buesser, Giulio Zizzo +2

Despite the impressive adaptability of large language models (LLMs), challenges remain in ensuring their security, transparency, and interpretability. Given their susceptibility to…

cs.CL2024

Knowledge-Augmented Reasoning for EUAIA Compliance and Adversarial Robustness of LLMs

Tomas Bueno Momcilovic, Dian Balta, Beat Buesser +2

The EU AI Act (EUAIA) introduces requirements for AI systems which intersect with the processes required to establish adversarial robustness. However, given the ambiguous language…

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…

cs.CR2024

Developing Assurance Cases for Adversarial Robustness and Regulatory Compliance in LLMs

Tomas Bueno Momcilovic, Dian Balta, Beat Buesser +2

This paper presents an approach to developing assurance cases for adversarial robustness and regulatory compliance in large language models (LLMs). Focusing on both natural and cod…

cs.CR2024

MoJE: Mixture of Jailbreak Experts, Naive Tabular Classifiers as Guard for Prompt Attacks

Giandomenico Cornacchia, Giulio Zizzo, Kieran Fraser +3

The proliferation of Large Language Models (LLMs) in diverse applications underscores the pressing need for robust security measures to thwart potential jailbreak attacks. These at…

cs.CR2024★ 1 cited

Attack Atlas: A Practitioner's Perspective on Challenges and Pitfalls in Red Teaming GenAI

Ambrish Rawat, Stefan Schoepf, Giulio Zizzo +10

As generative AI, particularly large language models (LLMs), become increasingly integrated into production applications, new attack surfaces and vulnerabilities emerge and put a f…

cs.CR2024★ 2 cited

Certified Adversarial Robustness of Machine Learning-based Malware Detectors via (De)Randomized Smoothing

Daniel Gibert, Luca Demetrio, Giulio Zizzo +3

Deep learning-based malware detection systems are vulnerable to adversarial EXEmples - carefully-crafted malicious programs that evade detection with minimal perturbation. As such,…

cs.CR2024★ 11 cited

A Robust Defense against Adversarial Attacks on Deep Learning-based Malware Detectors via (De)Randomized Smoothing

Daniel Gibert, Giulio Zizzo, Quan Le +1

Deep learning-based malware detectors have been shown to be susceptible to adversarial malware examples, i.e. malware examples that have been deliberately manipulated in order to a…

cs.LG2024

Differentially Private and Adversarially Robust Machine Learning: An Empirical Evaluation

Janvi Thakkar, Giulio Zizzo, Sergio Maffeis

Malicious adversaries can attack machine learning models to infer sensitive information or damage the system by launching a series of evasion attacks. Although various work address…

cs.LG2024★ 1 cited

Domain Adaptation for Time series Transformers using One-step fine-tuning

Subina Khanal, Seshu Tirupathi, Giulio Zizzo +2

The recent breakthrough of Transformers in deep learning has drawn significant attention of the time series community due to their ability to capture long-range dependencies. Howev…

cs.LG2024★ 1 cited

Elevating Defenses: Bridging Adversarial Training and Watermarking for Model Resilience

Janvi Thakkar, Giulio Zizzo, Sergio Maffeis

Machine learning models are being used in an increasing number of critical applications; thus, securing their integrity and ownership is critical. Recent studies observed that adve…