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The widespread use of generative AI has shown remarkable success in producing highly realistic deepfakes, posing a serious threat to various voice biometric applications, including speaker verification, voice biometrics, audio conferencing,…

声音 · 计算机科学 2025-09-10 Kutub Uddin , Muhammad Umar Farooq , Awais Khan , Khalid Mahmood Malik

Retrieval-Augmented Generation (RAG) systems face significant performance gaps when applied to technical domains requiring precise information extraction from complex documents. Current evaluation methodologies relying on document-level…

机器学习 · 计算机科学 2025-02-25 Aryan Jadon , Avinash Patil , Shashank Kumar

The widespread adoption of generative models such as Stable Diffusion and ChatGPT has made them increasingly attractive targets for malicious exploitation, particularly through data poisoning. Existing poisoning attacks compromising…

机器学习 · 计算机科学 2025-11-10 Mathias Lundteigen Mohus , Jingyue Li , Zhirong Yang

Existing adversarial example research focuses on digitally inserted perturbations on top of existing natural image datasets. This construction of adversarial examples is not realistic because it may be difficult, or even impossible, for an…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Xiruo Liu , Shibani Singh , Cory Cornelius , Colin Busho , Mike Tan , Anindya Paul , Jason Martin

With the huge technological advances introduced by deep learning in audio & speech processing, many novel synthetic speech techniques achieved incredible realistic results. As these methods generate realistic fake human voices, they can be…

A significant challenge facing current optical flow and stereo methods is the difficulty in generalizing them well to the real world. This is mainly due to the high costs required to produce datasets, and the limitations of existing…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Han Ling , Yinghui Sun , Quansen Sun , Ivor Tsang , Yuhui Zheng

Retrieval-Augmented Generation (RAG) systems introduce a critical vulnerability: contextual leakage, where adversaries exploit instruction-following to exfiltrate Personally Identifiable Information (PII) via adaptive extraction. Current…

密码学与安全 · 计算机科学 2026-03-19 Jin Xie , Songze Li , Guang Cheng

Audio deepfakes pose significant threats, including impersonation, fraud, and reputation damage. To address these risks, audio deepfake detection (ADD) techniques have been developed, demonstrating success on benchmarks like ASVspoof2019.…

声音 · 计算机科学 2025-01-22 Muhammad Umar Farooq , Awais Khan , Kutub Uddin , Khalid Mahmood Malik

Advanced Persistent Threats (APTs) are sophisticated, targeted cyberattacks designed to gain unauthorized access to systems and remain undetected for extended periods. To evade detection, APT cyberattacks deceive defense layers with…

密码学与安全 · 计算机科学 2024-06-28 Sidahmed Benabderrahmane , Ngoc Hoang , Petko Valtchev , James Cheney , Talal Rahwan

This paper studies the feasibility of synthetic data generation for mission-critical applications. The emphasis is on synthetic data generation for anomalous detection in complex social networks. In particular, the development of a…

社会与信息网络 · 计算机科学 2020-10-27 Andreea Sistrunk , Vanessa Cedeno , Subhodip Biswas

Synthetic Data Generation (SDG) can be used to facilitate privacy-preserving data sharing. However, most existing research focuses on privacy attacks where the adversary is the recipient of the released synthetic data and attempts to infer…

密码学与安全 · 计算机科学 2026-05-21 Qinyi Liu , Dong Liu , Sam Urmian , Mohammad Khalil , Pedro P. Vergara Barrios

Agentic Retrieval-Augmented Generation (RAG) empowers large language models to autonomously plan and retrieve information for complex problem-solving. However, the development of robust agents is hindered by the scarcity of high-quality…

计算与语言 · 计算机科学 2026-01-14 Zhengwei Tao , Bo Li , Jialong Wu , Guochen Yan , Huanyao Zhang , Jiahao Xu , Haitao Mi , Wentao Zhang

Advanced Persistent Threats (APTs) bring significant challenges to cybersecurity due to their sophisticated and stealthy nature. Traditional cybersecurity measures fail to defend against APTs. Cognitive vulnerabilities can significantly…

密码学与安全 · 计算机科学 2024-08-14 Shuo Huang , Fred Jones , Nikolos Gurney , David Pynadath , Kunal Srivastava , Stoney Trent , Peggy Wu , Quanyan Zhu

Suicidal ideation detection is a vital research area that holds great potential for improving mental health support systems. However, the sensitivity surrounding suicide-related data poses challenges in accessing large-scale, annotated…

计算与语言 · 计算机科学 2024-02-06 Hamideh Ghanadian , Isar Nejadgholi , Hussein Al Osman

Advances in automatic speaker verification (ASV) promote research into the formulation of spoofing detection systems for real-world applications. The performance of ASV systems can be degraded severely by multiple types of spoofing attacks,…

声音 · 计算机科学 2024-08-27 Zhenyu Wang , John H. L. Hansen

Context: Static Application Security Testing Tools (SASTTs) identify software vulnerabilities to support the security and reliability of software applications. Interestingly, several studies have suggested that alternative solutions may be…

软件工程 · 计算机科学 2024-03-15 Matteo Esposito , Valentina Falaschi , Davide Falessi

The scarcity of high-quality public log datasets has become a critical bottleneck in advancing log-based anomaly detection techniques. Current datasets exhibit three fundamental limitations: (1) incomplete event coverage, (2) artificial…

软件工程 · 计算机科学 2025-04-17 Xinyu Li , Yingtong Huo , Chenxi Mao , Shiwen Shan , Yuxin Su , Dan Li , Zibin Zheng

Routine operational use of sensitive data is often governed by law and regulation. For instance, in the medical domain, there are various statues at the state and federal level that dictate who is permitted to work with patients' records…

密码学与安全 · 计算机科学 2019-10-23 Chao Yan , Haifeng Xu , Yevgeniy Vorobeychik , Bo Li , Daniel Fabbri , Bradley Malin

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

Reinforcement learning is increasingly used to transform large language models into agentic systems that act over long horizons, invoke tools, and manage memory under partial observability. While recent work has demonstrated performance…

密码学与安全 · 计算机科学 2026-01-01 Ken Huang , Jerry Huang