activity
20182026
most citedCan You Hear It? Backdoor Attacks via Ultrasonic Triggers

37 citations · 224 across the 83 of their papers we have counts for

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Showing 2025Show all

12 papers · 1 filter

cs.CR2025

GateBreaker: Gate-Guided Attacks on Mixture-of-Expert LLMs

Lichao Wu, Sasha Behrouzi, Mohamadreza Rostami +2

Mixture-of-Experts (MoE) architectures have advanced the scaling of Large Language Models (LLMs) by activating only a sparse subset of parameters per input, enabling state-of-the-a…

cs.CR2025

SoK: The Last Line of Defense: On Backdoor Defense Evaluation

Gorka Abad, Marina Krček, Stefanos Koffas +7

Backdoor attacks pose a significant threat to deep learning models by implanting hidden vulnerabilities that can be activated by malicious inputs. While numerous defenses have been…

cs.NE2025

On Counts and Densities of Homogeneous Bent Functions: An Evolutionary Approach

Claude Carlet, Marko Ðurasevic, Domagoj Jakobovic +3

Boolean functions with strong cryptographic properties, such as high nonlinearity and algebraic degree, are important for the security of stream and block ciphers. These functions…

cs.LG2025

CatBack: Universal Backdoor Attacks on Tabular Data via Categorical Encoding

Behrad Tajalli, Stefanos Koffas, Stjepan Picek

Backdoor attacks in machine learning have drawn significant attention for their potential to compromise models stealthily, yet most research has focused on homogeneous data such as…

cs.CR2025

NoMod: A Non-modular Attack on Module Learning With Errors

Cristian Bassotto, Ermes Franch, Marina Krček +1

The advent of quantum computing threatens classical public-key cryptography, motivating NIST's adoption of post-quantum schemes such as those based on the Module Learning With Erro…

cs.CR2025

NeuroStrike: Neuron-Level Attacks on Aligned LLMs

Lichao Wu, Sasha Behrouzi, Mohamadreza Rostami +3

Safety alignment is critical for the ethical deployment of large language models (LLMs), guiding them to avoid generating harmful or unethical content. Current alignment techniques…

cs.CR2025

BadPatches: Routing-Aware Backdoor Attacks on Vision Mixture-of-Experts

Jona te Lintelo, Cedric Chan, Stjepan Picek

Mixture-of-Experts (MoE) architectures have gained significant traction for reducing computational costs in deep neural networks by activating only a sparse subset of parameters du…

cs.NE2025

A Systematic Study on the Design of Odd-Sized Highly Nonlinear Boolean Functions via Evolutionary Algorithms

Claude Carlet, Marko Đurasevic, Domagoj Jakobovic +2

This paper focuses on the problem of evolving Boolean functions of odd sizes with high nonlinearity, a property of cryptographic relevance. Despite its simple formulation, this pro…

cs.CR2025

Hardware-Enabled Mechanisms for Verifying Responsible AI Development

Aidan O'Gara, Gabriel Kulp, Will Hodgkins +7

Advancements in AI capabilities, driven in large part by scaling up computing resources used for AI training, have created opportunities to address major global challenges but also…

cs.CR2025

Interpreting Emergent Features in Deep Learning-based Side-channel Analysis

Sengim Karayalçin, Marina Krček, Stjepan Picek

Side-channel analysis (SCA) poses a real-world threat by exploiting unintentional physical signals to extract secret information from secure devices. Evaluation labs also use the s…

cs.NE2025

Degree is Important: On Evolving Homogeneous Boolean Functions

Claude Carlet, Marko Ðurasevic, Domagoj Jakobovic +2

Boolean functions with good cryptographic properties like high nonlinearity and algebraic degree play an important in the security of stream and block ciphers. Such functions may b…

cs.CR2025

Towards Backdoor Stealthiness in Model Parameter Space

Xiaoyun Xu, Zhuoran Liu, Stefanos Koffas +1

Recent research on backdoor stealthiness focuses mainly on indistinguishable triggers in input space and inseparable backdoor representations in feature space, aiming to circumvent…