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From the 1 of 7 linked papers with an AI index.

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7 papers

cs.LG2026

RAFP: Identifying LLM Lineages via Rare-Region Fingerprints

Yun-Yun Tsai, Jia Hao Liang, Chuan Guo +2

The paper proposes RAFP, a non‑invasive method that creates fingerprints from rare prompt‑response regions to reliably identify the lineage of large language models even after vari…

cs.CR2026

Meta SecAlign: A Secure Foundation LLM Against Prompt Injection Attacks

Sizhe Chen, Arman Zharmagambetov, David Wagner +1

Prompt injection attacks, where untrusted data contains an injected prompt to manipulate the system, have been listed as the top security threat to LLM-integrated applications. Mod…

cs.LG2025

AdvPrefix: An Objective for Nuanced LLM Jailbreaks

Sicheng Zhu, Brandon Amos, Yuandong Tian +2

Many jailbreak attacks on large language models (LLMs) rely on a common objective: making the model respond with the prefix ``Sure, here is (harmful request)''. While straightforwa…

cs.CR2025

The Imitation Game: Using Large Language Models as Chatbots to Combat Chat-Based Cybercrimes

Yifan Yao, Baojuan Wang, Jinhao Duan +4

Chat-based cybercrime has emerged as a pervasive threat, with attackers leveraging real-time messaging platforms to conduct scams that rely on trust-building, deception, and psycho…

cs.CR2025

SecAlign: Defending Against Prompt Injection with Preference Optimization

Sizhe Chen, Arman Zharmagambetov, Saeed Mahloujifar +3

Large language models (LLMs) are becoming increasingly prevalent in modern software systems, interfacing between the user and the Internet to assist with tasks that require advance…

cs.CR2025

AdvPrompter: Fast Adaptive Adversarial Prompting for LLMs

Anselm Paulus, Arman Zharmagambetov, Chuan Guo +2

Large Language Models (LLMs) are vulnerable to jailbreaking attacks that lead to generation of inappropriate or harmful content. Manual red-teaming requires a time-consuming search…