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Large Language Models (LLMs) are widely deployed in applications that accept user-submitted content, such as uploaded documents or pasted text, for tasks like summarization and question answering. In this paper, we identify a new class of…

Cryptography and Security · Computer Science 2025-08-28 Zhuotao Lian , Weiyu Wang , Qingkui Zeng , Toru Nakanishi , Teruaki Kitasuka , Chunhua Su

Security threats like prompt injection attacks pose significant risks to applications that integrate Large Language Models (LLMs), potentially leading to unauthorized actions such as API misuse. Unlike previous approaches that aim to detect…

Cryptography and Security · Computer Science 2025-04-01 Shih-Han Chan

Large Language Models (LLMs) such as ChatGPT and GitHub Copilot have revolutionized automated code generation in software engineering. However, as these models are increasingly utilized for software development, concerns have arisen…

Cryptography and Security · Computer Science 2024-12-03 Ahmad Mohsin , Helge Janicke , Adrian Wood , Iqbal H. Sarker , Leandros Maglaras , Naeem Janjua

Large language models (LLMs) are increasingly deployed as the service backend for LLM-integrated applications such as code completion and AI-powered search. LLM-integrated applications serve as middleware to refine users' queries with…

Cryptography and Security · Computer Science 2023-11-30 Fengqing Jiang , Zhangchen Xu , Luyao Niu , Boxin Wang , Jinyuan Jia , Bo Li , Radha Poovendran

The rising use of Large Language Models (LLMs) to create and disseminate malware poses a significant cybersecurity challenge due to their ability to generate and distribute attacks with ease. A single prompt can initiate a wide array of…

Cryptography and Security · Computer Science 2024-09-13 Jamal Al-Karaki , Muhammad Al-Zafar Khan , Marwan Omar

Large Language Models (LLMs) are increasingly applied to automate software engineering tasks, including the generation of UML class diagrams from natural language descriptions. While prior work demonstrates that LLMs can produce…

Software Engineering · Computer Science 2026-04-07 Rabia Iftikhar , Andreas Rausch

Large language models (LLMs) have significantly influenced various industries but suffer from a critical flaw, the potential sensitivity of generating harmful content, which poses severe societal risks. We developed and tested novel attack…

Computation and Language · Computer Science 2025-02-25 Yuyi Huang , Runzhe Zhan , Derek F. Wong , Lidia S. Chao , Ailin Tao

Large language models (LLM) are perceived to offer promising potentials for automating security tasks, such as those found in security operation centers (SOCs). As a first step towards evaluating this perceived potential, we investigate the…

Cryptography and Security · Computer Science 2024-02-01 Kumar Shashwat , Francis Hahn , Xinming Ou , Dmitry Goldgof , Lawrence Hall , Jay Ligatti , S. Raj Rajgopalan , Armin Ziaie Tabari

The open-endedness of large language models (LLMs) combined with their impressive capabilities may lead to new safety issues when being exploited for malicious use. While recent studies primarily focus on probing toxic outputs that can be…

Computation and Language · Computer Science 2023-11-30 Jiaxin Wen , Pei Ke , Hao Sun , Zhexin Zhang , Chengfei Li , Jinfeng Bai , Minlie Huang

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 advanced language understanding. To accomplish these tasks, the LLM…

Cryptography and Security · Computer Science 2025-07-04 Sizhe Chen , Arman Zharmagambetov , Saeed Mahloujifar , Kamalika Chaudhuri , David Wagner , Chuan Guo

Large Language Models (LLMs) are employed across various high-stakes domains, where the reliability of their outputs is crucial. One commonly used method to assess the reliability of LLMs' responses is uncertainty estimation, which gauges…

Large Language Models (LLMs) have transformed software development, enabling AI-powered applications known as LLM-based agents that promise to automate tasks across diverse apps and workflows. Yet, the security implications of deploying…

Cryptography and Security · Computer Science 2025-11-07 Chenghao Du , Quanfeng Huang , Tingxuan Tang , Zihao Wang , Adwait Nadkarni , Yue Xiao

Large language models (LLMs) have undergone rapid evolution and achieved remarkable results in recent times. OpenAI's ChatGPT, backed by GPT-3.5 or GPT-4, has gained instant popularity due to its strong capability across a wide range of…

Cryptography and Security · Computer Science 2023-12-12 Fangzhou Wu , Qingzhao Zhang , Ati Priya Bajaj , Tiffany Bao , Ning Zhang , Ruoyu "Fish" Wang , Chaowei Xiao

Large Language Models (LLMs) are changing the way people interact with technology. Tools like ChatGPT and Claude AI are now common in business, research, and everyday life. But with that growth comes new risks, especially prompt-based…

Cryptography and Security · Computer Science 2025-05-27 Austin Howard

The evolution of Generative AI and the capabilities of the newly released Large Language Models (LLMs) open new opportunities in software engineering. However, they also lead to new challenges in cybersecurity. Recently, researchers have…

Cryptography and Security · Computer Science 2023-09-08 Mika Beckerich , Laura Plein , Sergio Coronado

LLM-powered applications routinely embed secrets in system prompts, yet models can be tricked into revealing them. We built an adaptive attacker that evolves its strategies over hundreds of rounds and tested it against nine defense…

Cryptography and Security · Computer Science 2026-05-14 Priyal Deep , Shane Emmons , Amy Fox , Kyle Bacon , Kelley McAllister , Peter Ortiz , Krisztian Flautner

Ensuring the security of large language models (LLMs) is an ongoing challenge despite their widespread popularity. Developers work to enhance LLMs security, but vulnerabilities persist, even in advanced versions like GPT-4. Attackers…

Cryptography and Security · Computer Science 2023-12-19 Aysan Esmradi , Daniel Wankit Yip , Chun Fai Chan

The recent popularity of large language models (LLMs) has brought a significant impact to boundless fields, particularly through their open-ended ecosystem such as the APIs, open-sourced models, and plugins. However, with their widespread…

Machine Learning · Computer Science 2023-08-31 Wentao Ye , Mingfeng Ou , Tianyi Li , Yipeng chen , Xuetao Ma , Yifan Yanggong , Sai Wu , Jie Fu , Gang Chen , Haobo Wang , Junbo Zhao

The increasing trend of using Large Language Models (LLMs) for code generation raises the question of their capability to generate trustworthy code. While many researchers are exploring the utility of code generation for uncovering software…

Cryptography and Security · Computer Science 2024-04-08 Zahra Mousavi , Chadni Islam , Kristen Moore , Alsharif Abuadbba , Muhammad Ali Babar

Unit testing is an essential activity in software development for verifying the correctness of software components. However, manually writing unit tests is challenging and time-consuming. The emergence of Large Language Models (LLMs) offers…

Software Engineering · Computer Science 2024-09-26 Lin Yang , Chen Yang , Shutao Gao , Weijing Wang , Bo Wang , Qihao Zhu , Xiao Chu , Jianyi Zhou , Guangtai Liang , Qianxiang Wang , Junjie Chen