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Morphing attacks have diversified significantly over the past years, with new methods based on generative adversarial networks (GANs) and diffusion models posing substantial threats to face recognition systems. Recent research has…

计算机视觉与模式识别 · 计算机科学 2024-11-13 Laurent Colbois , Sébastien Marcel

Code clone detection is a fundamental task in software engineering that underpins refactoring, debugging, plagiarism detection, and vulnerability analysis. Existing methods often rely on singular representations such as abstract syntax…

软件工程 · 计算机科学 2025-10-29 Zixian Zhang , Takfarinas Saber

Host-based threats such as Program Attack, Malware Implantation, and Advanced Persistent Threats (APT), are commonly adopted by modern attackers. Recent studies propose leveraging the rich contextual information in data provenance to detect…

密码学与安全 · 计算机科学 2025-04-04 Su Wang , Zhiliang Wang , Tao Zhou , Xia Yin , Dongqi Han , Han Zhang , Hongbin Sun , Xingang Shi , Jiahai Yang

Graph Retrieval-Augmented Generation (Graph-RAG) enhances multihop question answering by organizing corpora into knowledge graphs and routing evidence through relational structure. However, practical deployments face two persistent…

The current state of Advanced Persistent Threats (APT) attribution primarily relies on time-consuming manual processes. These include mapping incident artifacts onto threat attribution frameworks and employing expert reasoning to uncover…

密码学与安全 · 计算机科学 2024-09-26 Nanda Rani , Bikash Saha , Vikas Maurya , Sandeep Kumar Shukla

Ensuring robust safety alignment is crucial for Large Language Models (LLMs), yet existing defenses often lag behind evolving adversarial attacks due to their \textbf{reliance on static, pre-collected data distributions}. In this paper, we…

人工智能 · 计算机科学 2026-02-09 Xiaoyu Wen , Zhida He , Han Qi , Ziyu Wan , Zhongtian Ma , Ying Wen , Tianhang Zheng , Xingcheng Xu , Chaochao Lu , Qiaosheng Zhang

Retrieval-Augmented Generation (RAG) enhances large language models (LLMs) by retrieving relevant documents from external sources to improve factual accuracy and verifiability. However, this reliance introduces new attack surfaces within…

计算机视觉与模式识别 · 计算机科学 2025-09-19 Saket S. Chaturvedi , Gaurav Bagwe , Lan Zhang , Xiaoyong Yuan

Graph Neural Networks (GNNs) have garnered significant attention from researchers due to their outstanding performance in handling graph-related tasks, such as social network analysis, protein design, and so on. Despite their widespread…

密码学与安全 · 计算机科学 2025-01-03 Xiao Lin , Mingjie Li , Yisen Wang

Provenance-based Intrusion Detection Systems (PIDSes) have been widely used to detect Advanced Persistent Threats (APTs). Although many studies achieve high performance in the evaluations of their original papers, their performance in…

密码学与安全 · 计算机科学 2026-03-25 Yue Xiao , Ling Jiang , Sen Nie , Ding Li , Shi Wu , Ke Xu , Qi Li

Mask-guided matting networks have achieved significant improvements and have shown great potential in practical applications in recent years. However, simply learning matting representation from synthetic and lack-of-real-world-diversity…

计算机视觉与模式识别 · 计算机科学 2024-03-29 Weihao Jiang , Zhaozhi Xie , Yuxiang Lu , Longjie Qi , Jingyong Cai , Hiroyuki Uchiyama , Bin Chen , Yue Ding , Hongtao Lu

With the continuous advancement of generative models, face morphing attacks have become a significant challenge for existing face verification systems due to their potential use in identity fraud and other malicious activities. Contemporary…

计算机视觉与模式识别 · 计算机科学 2025-04-09 Marija Ivanovska , Leon Todorov , Naser Damer , Deepak Kumar Jain , Peter Peer , Vitomir Štruc

Perfusion imaging is extensively utilized to assess hemodynamic status and tissue perfusion in various organs. Computed tomography perfusion (CTP) imaging plays a key role in the early assessment and planning of stroke treatment. While CTP…

Parameter-Efficient Fine-Tuning (PEFT) method has emerged as a dominant paradigm for adapting pre-trained GNN models to downstream tasks. However, existing PEFT methods usually exhibit significant vulnerability to various noise and attacks…

机器学习 · 计算机科学 2026-01-05 Ziyan Zhang , Bo Jiang , Jin Tang

Intrusion detection is an arms race; attackers evade intrusion detection systems by developing new attack vectors to sidestep known defense mechanisms. Provenance provides a detailed, structured history of the interactions of digital…

密码学与安全 · 计算机科学 2018-06-05 Xueyuan Han , Thomas Pasquier , Margo Seltzer

In the last decade, a new class of cyber-threats has emerged. This new cybersecurity adversary is known with the name of "Advanced Persistent Threat" (APT) and is referred to different organizations that in the last years have been "in the…

密码学与安全 · 计算机科学 2018-10-18 Giuseppe Laurenza , Riccardo Lazzeretti , Luca Mazzotti

Threat actor attribution is a crucial defense strategy for combating advanced persistent threats (APTs). Cyber threat intelligence (CTI), which involves analyzing multisource heterogeneous data from APTs, plays an important role in APT…

密码学与安全 · 计算机科学 2024-02-21 Nan Xiao , Bo Lang , Ting Wang , Yikai Chen

Multi-sourced datasets are common in studies of variable interactions, for example, individual-level fMRI integration, cross-domain recommendation, etc, where each source induces a related but distinct dependency structure. Joint learning…

统计方法学 · 统计学 2025-12-08 Shixiang Liu , Yanhang Zhang , Zhifan Li , Jianxin Yin

Evaluating the security of multi-agent systems (MASs) powered by large language models (LLMs) is challenging, primarily because of the systems' complex internal dynamics and the evolving nature of LLM vulnerabilities. Traditional attack…

密码学与安全 · 计算机科学 2025-06-04 Parth Atulbhai Gandhi , Akansha Shukla , David Tayouri , Beni Ifland , Yuval Elovici , Rami Puzis , Asaf Shabtai

This paper provides policy recommendations to reduce extinction risks from advanced artificial intelligence (AI). First, we briefly provide background information about extinction risks from AI. Second, we argue that voluntary commitments…

人工智能 · 计算机科学 2025-09-30 Andrea Miotti

Accurate and efficient prediction of the molecular properties of drugs is one of the fundamental problems in drug research and development. Recent advancements in representation learning have been shown to greatly improve the performance of…

生物大分子 · 定量生物学 2022-06-17 Hui Liu , Yibiao Huang , Xuejun Liu , Lei Deng