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Related papers: Robust Steganography from Large Language Models

200 papers

In this work, we mainly study the mechanism of learning the steganographic algorithm as well as combining the learning process with adversarial learning to learn a good steganographic algorithm. To handle the problem of embedding secret…

Computer Vision and Pattern Recognition · Computer Science 2019-04-01 Haichao Shi , Xiao-Yu Zhang

Steganography is the science of unnoticeably concealing a secret message within a certain image, called a cover image. The cover image with the secret message is called a stego image. Steganography is commonly used for illegal purposes such…

Multimedia · Computer Science 2019-03-05 Dahuin Jung , Ho Bae , Hyun-Soo Choi , Sungroh Yoon

Large language model (LLM)-powered multi-agent systems (MAS) enable agents to communicate and share information, achieving strong performance on complex tasks. However, this communication also creates an attack surface where malicious…

Cryptography and Security · Computer Science 2026-05-05 Lingxi Zhang , Guangtao Zheng , Hanjie Chen

Informally, steganography is the process of exchanging a secret message between two communicating entities so that an eavesdropper may not know that a message has been sent. After a review of some steganographic systems, we found that these…

Cryptography and Security · Computer Science 2015-06-16 Fabrice P. Tachago , Stephane G. R. Ekodeck , Rene Ndoundam

Large Language Models (LLMs) are powerful tools with profound societal impacts, yet their ability to generate responses to diverse and uncontrolled inputs leaves them vulnerable to adversarial attacks. While existing defenses often struggle…

Computation and Language · Computer Science 2025-12-30 Samuel Simko , Mrinmaya Sachan , Bernhard Schölkopf , Zhijing Jin

Large Language Models (LLMs), which bridge the gap between human language understanding and complex problem-solving, achieve state-of-the-art performance on several NLP tasks, particularly in few-shot and zero-shot settings. Despite the…

Cryptography and Security · Computer Science 2025-01-07 Shuai Zhao , Meihuizi Jia , Zhongliang Guo , Leilei Gan , Xiaoyu Xu , Xiaobao Wu , Jie Fu , Yichao Feng , Fengjun Pan , Luu Anh Tuan

Large Language Models (LLMs) are swiftly advancing in architecture and capability, and as they integrate more deeply into complex systems, the urgency to scrutinize their security properties grows. This paper surveys research in the…

Computation and Language · Computer Science 2023-10-18 Erfan Shayegani , Md Abdullah Al Mamun , Yu Fu , Pedram Zaree , Yue Dong , Nael Abu-Ghazaleh

Large language models (LLMs) have succeeded significantly in various applications but remain susceptible to adversarial jailbreaks that void their safety guardrails. Previous attempts to exploit these vulnerabilities often rely on high-cost…

Machine Learning · Computer Science 2024-12-02 Xuan Li , Zhanke Zhou , Jianing Zhu , Jiangchao Yao , Tongliang Liu , Bo Han

Large Language Models (LLMs) have become central to numerous natural language processing tasks, but their vulnerabilities present significant security and ethical challenges. This systematic survey explores the evolving landscape of attack…

Cryptography and Security · Computer Science 2025-05-05 Zhiyu Liao , Kang Chen , Yuanguo Lin , Kangkang Li , Yunxuan Liu , Hefeng Chen , Xingwang Huang , Yuanhui Yu

Large Language Models (LLMs) have demonstrated remarkable performance across various natural language processing tasks. Recently, several LLMs-based pipelines have been developed to enhance learning on graphs with text attributes,…

Machine Learning · Computer Science 2024-07-30 Kai Guo , Zewen Liu , Zhikai Chen , Hongzhi Wen , Wei Jin , Jiliang Tang , Yi Chang

With the burgeoning advancements in the field of natural language processing (NLP), the demand for training data has increased significantly. To save costs, it has become common for users and businesses to outsource the labor-intensive task…

Computation and Language · Computer Science 2024-08-22 Ziqiang Li , Yueqi Zeng , Pengfei Xia , Lei Liu , Zhangjie Fu , Bin Li

The Large Language Models (LLMs) are poised to offer efficient and intelligent services for future mobile communication networks, owing to their exceptional capabilities in language comprehension and generation. However, the extremely high…

Cryptography and Security · Computer Science 2023-09-07 Haomiao Yang , Kunlan Xiang , Mengyu Ge , Hongwei Li , Rongxing Lu , Shui Yu

Transmitting images for communication on social networks has become routine, which is helpful for covert communication. The traditional steganography algorithm is unable to successfully convey secret information since the social network…

Multimedia · Computer Science 2023-04-27 Xiaolong Duan , Bin Li , Zhaoxia Yin , Xinpeng Zhang , Bin Luo

Large Language Models (LLMs) can be misused to spread unwanted content at scale. Content watermarking deters misuse by hiding messages in content, enabling its detection using a secret watermarking key. Robustness is a core security…

Cryptography and Security · Computer Science 2025-05-22 Abdulrahman Diaa , Toluwani Aremu , Nils Lukas

This paper proposes an improved steganography approach for hiding text messages in lossless RGB images. The objective of this work is to increase the security level and to improve the storage capacity with compression techniques. The…

Cryptography and Security · Computer Science 2013-04-18 Ankit Chaudhary , J. Vasavada , J. L. Raheja , S. Kumar , M. Sharma

The deployment of multimodal large language models (MLLMs) has brought forth a unique vulnerability: susceptibility to malicious attacks through visual inputs. This paper investigates the novel challenge of defending MLLMs against such…

Cryptography and Security · Computer Science 2024-06-18 Renjie Pi , Tianyang Han , Jianshu Zhang , Yueqi Xie , Rui Pan , Qing Lian , Hanze Dong , Jipeng Zhang , Tong Zhang

In recent years, LLM watermarking has emerged as an attractive safeguard against AI-generated content, with promising applications in many real-world domains. However, there are growing concerns that the current LLM watermarking schemes are…

Cryptography and Security · Computer Science 2025-06-13 Shayleen Reynolds , Hengzhi He , Dung Daniel T. Ngo , Saheed Obitayo , Niccolò Dalmasso , Guang Cheng , Vamsi K. Potluru , Manuela Veloso

Recent advancements in Large Language Models (LLMs) have transformed communication, yet their role in secure messaging remains underexplored, especially in surveillance-heavy environments. At the same time, many governments all over the…

Cryptography and Security · Computer Science 2025-04-15 Danilo Gligoroski , Mayank Raikwar , Sonu Kumar Jha

With advances in neural language models, the focus of linguistic steganography has shifted from edit-based approaches to generation-based ones. While the latter's payload capacity is impressive, generating genuine-looking texts remains…

Computation and Language · Computer Science 2021-04-21 Honai Ueoka , Yugo Murawaki , Sadao Kurohashi

Large Language Models (LLMs), now a foundation in advancing natural language processing, power applications such as text generation, machine translation, and conversational systems. Despite their transformative potential, these models…

Cryptography and Security · Computer Science 2025-08-05 Kang Chen , Xiuze Zhou , Yuanguo Lin , Jinhe Su , Yuanhui Yu , Li Shen , Fan Lin