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Related papers: Prompt Obfuscation for Large Language Models

200 papers

Progress in image generation raises significant public security concerns. We argue that fake image detection should not operate as a "black box". Instead, an ideal approach must ensure both strong generalization and transparency. Recent…

Computer Vision and Pattern Recognition · Computer Science 2025-11-10 Yikun Ji , Yan Hong , Jiahui Zhan , Haoxing Chen , jun lan , Huijia Zhu , Weiqiang Wang , Liqing Zhang , Jianfu Zhang

We introduce a novel framework that transforms the resource-intensive (adversarial) prompt optimization problem into an \emph{efficient, amortized inference task}. Our core insight is that pretrained, non-autoregressive generative LLMs,…

Machine Learning · Computer Science 2025-11-04 David Lüdke , Tom Wollschläger , Paul Ungermann , Stephan Günnemann , Leo Schwinn

Large Language Models (LLMs) have gained widespread use in various applications due to their powerful capability to generate human-like text. However, prompt injection attacks, which involve overwriting a model's original instructions with…

Cryptography and Security · Computer Science 2025-04-07 Jiahao Yu , Yangguang Shao , Hanwen Miao , Junzheng Shi

To mitigate hallucinations in large language models (LLMs), we propose a framework that focuses on errors induced by prompts. Our method extends a chain-style knowledge distillation approach by incorporating a programmable module that…

Computation and Language · Computer Science 2026-01-08 Jinbo Hao , Kai Yang , Qingzhen Su , Yifan Li , Chao Jiang

This paper presents a real-time modular defense system named Sentra-Guard. The system detects and mitigates jailbreak and prompt injection attacks targeting large language models (LLMs). The framework uses a hybrid architecture with…

Cryptography and Security · Computer Science 2026-05-04 Md. Mehedi Hasan , Sk Tanzir Mehedi , Ziaur Rahman , Rafid Mostafiz , Md. Abir Hossain

The increasing reliance on Large Language Models (LLMs) across academia and industry necessitates a comprehensive understanding of their robustness to prompts. In response to this vital need, we introduce PromptRobust, a robustness…

Computation and Language · Computer Science 2024-07-17 Kaijie Zhu , Jindong Wang , Jiaheng Zhou , Zichen Wang , Hao Chen , Yidong Wang , Linyi Yang , Wei Ye , Yue Zhang , Neil Zhenqiang Gong , Xing Xie

Large language models have demonstrated outstanding performance on a wide range of tasks such as question answering and code generation. On a high level, given an input, a language model can be used to automatically complete the sequence in…

Computation and Language · Computer Science 2023-05-31 Luca Beurer-Kellner , Marc Fischer , Martin Vechev

The safety and robustness of large language models (LLMs) based applications remain critical challenges in artificial intelligence. Among the key threats to these applications are prompt hacking attacks, which can significantly undermine…

Cryptography and Security · Computer Science 2024-10-21 Baha Rababah , Shang , Wu , Matthew Kwiatkowski , Carson Leung , Cuneyt Gurcan Akcora

Large Language Models (LLMs) are widely deployed in reasoning, planning, and decision-making tasks, making their trustworthiness critical. A significant and underexplored risk is intentional deception, where an LLM deliberately fabricates…

Machine Learning · Computer Science 2026-05-04 Zhaomin Wu , Mingzhe Du , See-Kiong Ng , Bingsheng He

The rise of large language models (LLMs) has highlighted the importance of prompt engineering as a crucial technique for optimizing model outputs. While experimentation with various prompting methods, such as Few-shot, Chain-of-Thought, and…

Artificial Intelligence · Computer Science 2026-03-27 Michael Hewing , Vincent Leinhos

We study how prompt-level inductive biases influence the cognitive behavior of large language models (LLMs) in instructional dialogue. We introduce a symbolic scaffolding method paired with a short-term memory schema designed to promote…

Artificial Intelligence · Computer Science 2025-10-31 Vanessa Figueiredo

In recent years, the rapid development of large language models (LLMs) has achieved remarkable performance across various tasks. However, research indicates that LLMs are vulnerable to jailbreak attacks, where adversaries can induce the…

Cryptography and Security · Computer Science 2024-08-23 Jiawei Zhao , Kejiang Chen , Xiaojian Yuan , Weiming Zhang

Large language models (LLMs) are becoming increasingly integrated into mainstream development platforms and daily technological workflows, typically behind moderation and safety controls. Despite these controls, preventing prompt-based…

Cryptography and Security · Computer Science 2026-01-06 Benyamin Tafreshian

Plagiarism detection in programming education faces growing challenges due to increasingly sophisticated obfuscation techniques, particularly automated refactoring-based attacks. While code plagiarism detection systems used in education…

Software Engineering · Computer Science 2025-10-30 Robin Maisch , Larissa Schmid , Timur Sağlam , Nils Niehues

It has been widely observed that language models (LMs) respond in predictable ways to algorithmically generated prompts that are seemingly unintelligible. This is both a sign that we lack a full understanding of how LMs work, and a…

Computation and Language · Computer Science 2025-10-09 Nathanaël Carraz Rakotonirina , Corentin Kervadec , Francesca Franzon , Marco Baroni

Passive operating system fingerprinting reveals valuable information to the defenders of heterogeneous private networks; at the same time, attackers can use fingerprinting to reconnoiter networks, so defenders need obfuscation techniques to…

Cryptography and Security · Computer Science 2017-06-27 Blake Anderson , David McGrew

Large Language Models (LLMs) are reported to hold undesirable attestation bias on inference tasks: when asked to predict if a premise P entails a hypothesis H, instead of considering H's conditional truthfulness entailed by P, LLMs tend to…

Computation and Language · Computer Science 2024-08-27 Tianyang Liu , Tianyi Li , Liang Cheng , Mark Steedman

Despite the successes of large language models (LLMs), they exhibit significant drawbacks, particularly when processing long contexts. Their inference cost scales quadratically with respect to sequence length, making it expensive for…

Computation and Language · Computer Science 2024-07-22 Thomas Merth , Qichen Fu , Mohammad Rastegari , Mahyar Najibi

System prompts in Large Language Models (LLMs) are predefined directives that guide model behaviour, taking precedence over user inputs in text processing and generation. LLM deployers increasingly use them to ensure consistent responses…

Computers and Society · Computer Science 2025-06-24 Anna Neumann , Elisabeth Kirsten , Muhammad Bilal Zafar , Jatinder Singh

Large language models (LLMs) are known to be vulnerable to jailbreak attacks, which typically rely on carefully designed prompts containing explicit semantic structure. These attacks generally operate by fixing an adversarial instruction…

Machine Learning · Computer Science 2026-05-07 Marco Rando , Samuel Vaiter
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