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In the paced realms of cybersecurity and digital forensics machine learning (ML) and deep learning (DL) have emerged as game changing technologies that introduce methods to identify stop and analyze cyber risks. This review presents an…

Cryptography and Security · Computer Science 2025-01-08 Jaouhar Fattahi

This paper focuses on jailbreaking attacks against large language models (LLMs), eliciting them to generate objectionable content in response to harmful user queries. Unlike previous LLM-jailbreak methods that directly orient to LLMs, our…

Artificial Intelligence · Computer Science 2025-12-02 Haoxuan Ji , Zheng Lin , Zhenxing Niu , Xinbo Gao , Gang Hua

The availability of Large Language Models (LLMs) has led to a new generation of powerful chatbots that can be developed at relatively low cost. As companies deploy these tools, security challenges need to be addressed to prevent financial…

Cryptography and Security · Computer Science 2026-01-12 Ahmad Alobaid , Martí Jordà Roca , Carlos Castillo , Joan Vendrell

Named entity recognition is an important task when constructing knowledge bases from unstructured data sources. Whereas entity detection methods mostly rely on extensive training data, Large Language Models (LLMs) have paved the way towards…

Computation and Language · Computer Science 2025-01-09 Lu Gan , Martin Blum , Danilo Dessi , Brigitte Mathiak , Ralf Schenkel , Stefan Dietze

Large language models (LLMs) are increasingly deployed as educational agents for automatic short answer grading (ASAG) in real-world educational environments, significantly boosting assessment efficiency and scalability. However, when these…

Cryptography and Security · Computer Science 2026-05-25 Xueyi Li , Zhuoneng Zhou , Zitao Liu , Yongdong Wu

The integration of Large Language Models (LLMs) and Multi-modal Large Language Models (MLLMs) into mobile GUI agents has significantly enhanced user efficiency and experience. However, this advancement also introduces potential security…

Cryptography and Security · Computer Science 2025-03-18 Yulong Yang , Xinshan Yang , Shuaidong Li , Chenhao Lin , Zhengyu Zhao , Chao Shen , Tianwei Zhang

Early Rumor Detection (EARD) aims to identify the earliest point at which a claim can be accurately classified based on a sequence of social media posts. This is especially challenging in data-scarce settings. While Large Language Models…

Computation and Language · Computer Science 2026-01-30 Fengzhu Zeng , Qian Shao , Ling Cheng , Wei Gao , Shih-Fen Cheng , Jing Ma , Cheng Niu

Log analysis is a relevant research field in cybersecurity as they can provide a source of information for the detection of threats to networks and systems. This paper presents a pipeline to use fine-tuned Large Language Models (LLMs) for…

Cryptography and Security · Computer Science 2025-07-04 Jorge J. Tejero-Fernández , Alfonso Sánchez-Macián

The integration of additional modalities increases the susceptibility of large vision-language models (LVLMs) to safety risks, such as jailbreak attacks, compared to their language-only counterparts. While existing research primarily…

Computation and Language · Computer Science 2025-06-24 Yilei Jiang , Xinyan Gao , Tianshuo Peng , Yingshui Tan , Xiaoyong Zhu , Bo Zheng , Xiangyu Yue

Accurate prediction of clinical outcomes using Electronic Health Records (EHRs) is critical for early intervention, efficient resource allocation, and improved patient care. EHRs contain multimodal data, including both structured data and…

Machine Learning · Computer Science 2025-08-29 Rituparna Datta , Jiaming Cui , Zihan Guan , Vishal G. Reddy , Joshua C. Eby , Gregory Madden , Rupesh Silwal , Anil Vullikanti

Large Language Model (LLM)-based agents are increasingly employed to automate complex software engineering tasks, such as program repair and issue resolution. These agents operate by autonomously generating natural language thoughts,…

Software Engineering · Computer Science 2025-10-09 Islem Bouzenia , Michael Pradel

Social media influence campaigns pose significant challenges to public discourse and democracy. Traditional detection methods fall short due to the complexity and dynamic nature of social media. Addressing this, we propose a novel detection…

Social and Information Networks · Computer Science 2023-11-15 Luca Luceri , Eric Boniardi , Emilio Ferrara

Embeddings have become a cornerstone in the functionality of large language models (LLMs) due to their ability to transform text data into rich, dense numerical representations that capture semantic and syntactic properties. These embedding…

Cryptography and Security · Computer Science 2025-11-20 Tiantian Liu , Hongwei Yao , Feng Lin , Tong Wu , Zhan Qin , Kui Ren

Large Language Models (LLMs) have achieved remarkable progress, but their deployment has exposed critical vulnerabilities, particularly to jailbreak attacks that circumvent safety alignments. Guardrails--external defense mechanisms that…

Cryptography and Security · Computer Science 2025-10-17 Xunguang Wang , Zhenlan Ji , Wenxuan Wang , Zongjie Li , Daoyuan Wu , Shuai Wang

As large language models (LLMs) expose systemic security challenges in high risk applications, including privacy leaks, bias amplification, and malicious abuse, there is an urgent need for a dynamic risk assessment and collaborative defence…

Cryptography and Security · Computer Science 2026-02-05 Xiaoyan Zhang , Dongyang Lyu , Xiaoqi Li

As large language models (LLMs) continue to evolve, their potential use in automating cyberattacks becomes increasingly likely. With capabilities such as reconnaissance, exploitation, and command execution, LLMs could soon become integral…

Cryptography and Security · Computer Science 2024-10-22 Daniel Ayzenshteyn , Roy Weiss , Yisroel Mirsky

The existing safety alignment of Large Language Models (LLMs) is found fragile and could be easily attacked through different strategies, such as through fine-tuning on a few harmful examples or manipulating the prefix of the generation…

Computation and Language · Computer Science 2024-05-28 Chak Tou Leong , Yi Cheng , Kaishuai Xu , Jian Wang , Hanlin Wang , Wenjie Li

Log-based insider threat detection (ITD) detects malicious user activities by auditing log entries. Recently, large language models (LLMs) with strong common sense knowledge have emerged in the domain of ITD. Nevertheless, diverse activity…

Cryptography and Security · Computer Science 2024-08-20 Chengyu Song , Linru Ma , Jianming Zheng , Jinzhi Liao , Hongyu Kuang , Lin Yang

Large Language Models (LLMs) are powerful tools for answering user queries, yet they remain highly vulnerable to jailbreak attacks. Existing guardrail methods typically rely on internal features or textual responses to detect malicious…

Cryptography and Security · Computer Science 2026-05-29 Zikai Zhang , Rui Hu , Olivera Kotevska , Jiahao Xu

Large Language Models (LLMs) have revolutionised natural language processing tasks, particularly as chat agents. However, their applicability to threat detection problems remains unclear. This paper examines the feasibility of employing…

Cryptography and Security · Computer Science 2025-04-21 Paul R. B. Houssel , Priyanka Singh , Siamak Layeghy , Marius Portmann