English
Related papers

Related papers: Good-Enough LLM Obfuscation (GELO)

200 papers

Large Language Models (LLMs) excel at various natural language processing tasks but remain vulnerable to jailbreaking attacks that induce harmful content generation. In this paper, we reveal a critical safety inconsistency: LLMs can more…

Computation and Language · Computer Science 2025-08-27 Peng Ding , Wen Sun , Dailin Li , Wei Zou , Jiaming Wang , Jiajun Chen , Shujian Huang

Traditional defenses against Deep Leakage (DL) attacks in Federated Learning (FL) primarily focus on obfuscation, introducing noise, transformations or encryption to degrade an attacker's ability to reconstruct private data. While effective…

Cryptography and Security · Computer Science 2026-01-22 Isaac Baglin , Xiatian Zhu , Simon Hadfield

Large Language Models (LLMs), despite advanced general capabilities, still suffer from numerous safety risks, especially jailbreak attacks that bypass safety protocols. Understanding these vulnerabilities through black-box jailbreak…

Cryptography and Security · Computer Science 2025-05-29 Yao Huang , Yitong Sun , Shouwei Ruan , Yichi Zhang , Yinpeng Dong , Xingxing Wei

Previous learning-based vulnerability detection methods relied on either medium-sized pre-trained models or smaller neural networks from scratch. Recent advancements in Large Pre-Trained Language Models (LLMs) have showcased remarkable…

Software Engineering · Computer Science 2024-01-30 Xin Zhou , Ting Zhang , David Lo

The federated learning (FL) technique was developed to mitigate data privacy issues in the traditional machine learning paradigm. While FL ensures that a user's data always remain with the user, the gradients are shared with the centralized…

Artificial Intelligence · Computer Science 2024-10-08 Yogachandran Rahulamathavan , Charuka Herath , Xiaolan Liu , Sangarapillai Lambotharan , Carsten Maple

While multimodal large language models (MLLMs) have achieved remarkable success in recent advancements, their susceptibility to jailbreak attacks has come to light. In such attacks, adversaries exploit carefully crafted prompts to coerce…

Cryptography and Security · Computer Science 2025-02-04 Ziyi Yin , Yuanpu Cao , Han Liu , Ting Wang , Jinghui Chen , Fenhlong Ma

Deploying DL models on mobile Apps has become ever-more popular. However, existing studies show attackers can easily reverse-engineer mobile DL models in Apps to steal intellectual property or generate effective attacks. A recent approach,…

Software Engineering · Computer Science 2024-10-22 Mingyi Zhou , Xiang Gao , Xiao Chen , Chunyang Chen , John Grundy , Li Li

Large Language Models (LLMs) can memorize sensitive information, raising concerns about potential misuse. LLM Unlearning, a post-hoc approach to remove this information from trained LLMs, offers a promising solution to mitigate these risks.…

Computation and Language · Computer Science 2024-09-19 Tianle Gu , Kexin Huang , Ruilin Luo , Yuanqi Yao , Yujiu Yang , Yan Teng , Yingchun Wang

Large Language Models (LLMs) that can be deployed locally have recently gained popularity for privacy-sensitive tasks, with companies such as Meta, Google, and Intel playing significant roles in their development. However, the security of…

Cryptography and Security · Computer Science 2025-06-17 Zibo Gao , Junjie Hu , Feng Guo , Yixin Zhang , Yinglong Han , Siyuan Liu , Haiyang Li , Zhiqiang Lv

In sectors such as finance and healthcare, where data governance is subject to rigorous regulatory requirements, the exchange and utilization of data are particularly challenging. Federated Learning (FL) has risen as a pioneering…

Cryptography and Security · Computer Science 2024-08-13 Siyang Jiang , Hao Yang , Qipeng Xie , Chuan Ma , Sen Wang , Guoliang Xing

With the growing use of large language models (LLMs) hosted on cloud platforms to offer inference services, privacy concerns about the potential leakage of sensitive information are escalating. Secure multi-party computation (MPC) is a…

Cryptography and Security · Computer Science 2025-05-13 Guang Yan , Yuhui Zhang , Zimu Guo , Lutan Zhao , Xiaojun Chen , Chen Wang , Wenhao Wang , Dan Meng , Rui Hou

Large Language Models (LLMs) have achieved impressive results across various tasks, yet their high computational demands pose deployment challenges, especially on consumer-grade hardware. Mixture of Experts (MoE) models provide an efficient…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-19 En-Ming Huang , Li-Shang Lin , Chun-Yi Lee

The drastic increase in language models' parameters has led to a new trend of deploying models in cloud servers, raising growing concerns about private inference for Transformer-based models. Existing two-party privacy-preserving…

Computation and Language · Computer Science 2023-12-12 Zi Liang , Pinghui Wang , Ruofei Zhang , Nuo Xu , Lifeng Xing , Shuo Zhang

Controlling Large Language Models (LLMs) to prevent the generation of undesirable content, such as profanity and personally identifiable information (PII), has become increasingly critical. While earlier approaches relied on post-processing…

Computation and Language · Computer Science 2026-05-12 Hyundong Jin , Yo-Sub Han

Federated Learning (FL) enables collaborative model building among a large number of participants without the need for explicit data sharing. But this approach shows vulnerabilities when privacy inference attacks are applied to it. In…

Machine Learning · Computer Science 2022-10-26 Pretom Roy Ovi , Emon Dey , Nirmalya Roy , Aryya Gangopadhyay

Machine learning (ML) has progressed rapidly during the past decade and the major factor that drives such development is the unprecedented large-scale data. As data generation is a continuous process, this leads to ML model owners updating…

Cryptography and Security · Computer Science 2019-12-03 Ahmed Salem , Apratim Bhattacharya , Michael Backes , Mario Fritz , Yang Zhang

Although federated learning improves privacy of training data by exchanging local gradients or parameters rather than raw data, the adversary still can leverage local gradients and parameters to obtain local training data by launching…

Machine Learning · Computer Science 2021-08-17 Xue Yang , Yan Feng , Weijun Fang , Jun Shao , Xiaohu Tang , Shu-Tao Xia , Rongxing Lu

Many existing coverless steganography methods establish a mapping relationship between cover images and hidden data. There exists an issue that the number of images stored in the database grows exponentially as the steganographic capacity…

Cryptography and Security · Computer Science 2024-01-23 Jiajun Liu , Lina Tan , Zhili Zhou , Yi Li , Peng Chen

The increasing reliance on cloud-hosted Large Language Models (LLMs) exposes sensitive client data, such as prompts and responses, to potential privacy breaches by service providers. Existing approaches fail to ensure privacy, maintain…

Cryptography and Security · Computer Science 2026-03-03 Chung-ju Huang , Huiqiang Zhao , Yuanpeng He , Lijian Li , Wenpin Jiao , Zhi Jin , Peixuan Chen , Leye Wang

Prompt injection attacks pose significant risks to language model safety, yet existing defenses are typically evaluated using classification performance. We show that high detection performance does not imply representational robustness.…

Cryptography and Security · Computer Science 2026-05-20 Becky Mashaido , Tapadhir Das