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Automated detection of software vulnerabilities is critical for enhancing security, yet existing methods often struggle with the complexity and diversity of modern codebases. In this paper, we introduce EnStack, a novel ensemble stacking…

软件工程 · 计算机科学 2024-11-26 Shahriyar Zaman Ridoy , Md. Shazzad Hossain Shaon , Alfredo Cuzzocrea , Mst Shapna Akter

Multimodal large language models (MLLMs) are gaining increasing attention. Due to the heterogeneity of their input features, they face significant challenges in terms of jailbreak defenses. Current defense methods rely on costly fine-tuning…

人工智能 · 计算机科学 2026-05-13 Xinyi Zeng , Xue Yang , Jingyuan Zhang , Huanqian Yan , Xiang Chen , Kaiwen Wei , Hankun Kang , Yu Tian

To address the challenging problem of detecting phishing webpages, researchers have developed numerous solutions, in particular those based on machine learning (ML) algorithms. Among these, brand-based phishing detection that uses models…

密码学与安全 · 计算机科学 2024-08-13 Jehyun Lee , Peiyuan Lim , Bryan Hooi , Dinil Mon Divakaran

The problem of data contamination is now almost inevitable during the development of large language models (LLMs), with the training data commonly integrating those evaluation benchmarks even unintentionally. This problem subsequently makes…

计算与语言 · 计算机科学 2025-09-19 Ruijie Hou , Yueyang Jiao , Hanxu Hu , Yingming Li , Wai Lam , Huajian Zhang , Hongyuan Lu

While automated vulnerability detection techniques have made promising progress in detecting security vulnerabilities, their scalability and applicability remain challenging. The remarkable performance of Large Language Models (LLMs), such…

密码学与安全 · 计算机科学 2024-10-24 Avishree Khare , Saikat Dutta , Ziyang Li , Alaia Solko-Breslin , Rajeev Alur , Mayur Naik

Large language models (LLMs) have achieved impressive performance across various natural language benchmarks, prompting a continual need to curate more difficult datasets for larger LLMs, which is costly and time-consuming. In this paper,…

计算与语言 · 计算机科学 2024-06-07 Jiahao Ying , Yixin Cao , Yushi Bai , Qianru Sun , Bo Wang , Wei Tang , Zhaojun Ding , Yizhe Yang , Xuanjing Huang , Shuicheng Yan

As cyber threats continue to grow in scale and sophistication, blue team defenders increasingly require advanced tools to proactively detect and mitigate risks. Large Language Models (LLMs) offer promising capabilities for enhancing threat…

密码学与安全 · 计算机科学 2025-05-20 Xiaoqun Liu , Feiyang Yu , Xi Li , Guanhua Yan , Ping Yang , Zhaohan Xi

As cyber threats continue to grow in scale and sophistication, blue team defenders increasingly require advanced tools to proactively detect and mitigate risks. Large Language Models (LLMs) offer promising capabilities for enhancing threat…

密码学与安全 · 计算机科学 2026-05-29 Yuqiao Meng , Luoxi Tang , Feiyang Yu , Xi Li , Guanhua Yan , Ping Yang , Zhaohan Xi

As Large Language Models (LLMs) increasingly become key components in various AI applications, understanding their security vulnerabilities and the effectiveness of defense mechanisms is crucial. This survey examines the security challenges…

机器学习 · 计算机科学 2024-06-04 Frank Weizhen Liu , Chenhui Hu

Large Language Models (LLMs) are being deployed across various domains today. However, their capacity to solve Capture the Flag (CTF) challenges in cybersecurity has not been thoroughly evaluated. To address this, we develop a novel method…

Evaluating Large Language Models (LLMs) with respect to real-world code complexity is essential. Otherwise, there is a risk of overestimating LLMs' programming abilities based on simplistic benchmarks, only to be disappointed when using…

软件工程 · 计算机科学 2026-02-24 Yang Chen , Shuyang Liu , Reyhaneh Jabbarvand

Large Language Models (LLMs) have exhibited great performance in autonomously calling various tools in external environments, leading to better problem solving and task automation capabilities. However, these external tools also amplify…

密码学与安全 · 计算机科学 2025-09-10 Hongfei Xia , Hongru Wang , Zeming Liu , Qian Yu , Yuhang Guo , Haifeng Wang

As foundation models continue to scale, the size of trained models grows exponentially, presenting significant challenges for their evaluation. Current evaluation practices involve curating increasingly large datasets to assess the…

机器学习 · 统计学 2025-05-08 Ganghua Wang , Zhaorun Chen , Bo Li , Haifeng Xu

Large Language Models (LLMs) like GPT-4, LLaMA, and Qwen have demonstrated remarkable success across a wide range of applications. However, these models remain inherently vulnerable to prompt injection attacks, which can bypass existing…

密码学与安全 · 计算机科学 2024-10-01 Rongchang Li , Minjie Chen , Chang Hu , Han Chen , Wenpeng Xing , Meng Han

The adoption of large language models (LLMs) in many applications, from customer service chat bots and software development assistants to more capable agentic systems necessitates research into how to secure these systems. Attacks like…

密码学与安全 · 计算机科学 2024-12-03 Erick Galinkin , Martin Sablotny

Large language models (LLMs) employ safety mechanisms to prevent harmful outputs, yet these defenses primarily rely on semantic pattern matching. We show that encoding harmful prompts as coherent mathematical problems -- using formalisms…

密码学与安全 · 计算机科学 2026-05-06 Haoyu Zhang , Mohammad Zandsalimy , Shanu Sushmita

Jailbreak attacks are crucial for identifying and mitigating the security vulnerabilities of Large Language Models (LLMs). They are designed to bypass safeguards and elicit prohibited outputs. However, due to significant differences among…

Command injection vulnerabilities are a significant security threat in dynamic languages like Python, particularly in widely used open-source projects where security issues can have extensive impact. With the proven effectiveness of Large…

软件工程 · 计算机科学 2025-05-22 Yuxuan Wang , Jingshu Chen , Qingyang Wang

As large language models (LLMs) become integral to various applications, ensuring both their safety and utility is paramount. Jailbreak attacks, which manipulate LLMs into generating harmful content, pose significant challenges to this…

密码学与安全 · 计算机科学 2025-02-10 Guobin Shen , Dongcheng Zhao , Yiting Dong , Xiang He , Yi Zeng

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…

密码学与安全 · 计算机科学 2024-10-22 Daniel Ayzenshteyn , Roy Weiss , Yisroel Mirsky