Matan Ben-Tov
Matan Ben-Tov
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Adversarial Machine Learning
TROPT: An Open Framework for Unifying and Advancing Discrete Text Optimization
An open-source framework for running and developing discrete text-trigger optimizers—against any NLP model and any loss. TROPT ships 40+ recipes spanning LLM jailbreaks, model auditing, and interpretability, lowering the barrier to adopting discrete text optimization methods.
Matan Ben-Tov
,
Mahmood Sharif
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Code
Project
arXiv
Universal Jailbreak Suffixes Are Strong Attention Hijackers
Analyzing the underlying mechanism of suffix-based LLM jailbreaks, we find it relies on aggressively hijacking the model context 🥷, which intensifies with the suffix’s universality. Exploiting this, we enhance and mitigate existing attacks.
Matan Ben-Tov
,
Mor Geva
,
Mahmood Sharif
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Code
arXiv
GASLITEing the Retrieval: Exploring Vulnerabilities in Dense Embedding-based Search
Through introducing a strong, new SEO attack ⛽💡, we extensively evaluate widely-used embedding-based retrievers’ susceptibility to SEO attacks via corpus poisoning, linking it to key properties in embedding space.
Matan Ben-Tov
,
Mahmood Sharif
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Code
arXiv
DOI
Poster
CaFA: Cost-aware, Feasible Attacks With Database Constraints Against Neural Tabular Classifiers
We propose an efficient attack against neural tabular classifiers for automatic robustness evaluation, addressing attacker objectives such as feasibility (via incorporation of database constraints) and cost-efficiency.
Matan Ben-Tov
,
Daniel Deutch
,
Nave Frost
,
Mahmood Sharif
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Code
arXiv
DOI
Poster
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