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How much does a machine learning algorithm leak about its training data, and why? Membership inference attacks are used as an auditing tool to quantify this leakage. In this paper, we present a comprehensive \textit{hypothesis testing…

机器学习 · 计算机科学 2022-09-14 Jiayuan Ye , Aadyaa Maddi , Sasi Kumar Murakonda , Vincent Bindschaedler , Reza Shokri

Loan risk for small businesses has long been a complex problem worthy of exploring. Predicting the loan risk can benefit entrepreneurship by developing more jobs for the society. CatBoost (Categorical Boosting) is a powerful machine…

计算工程、金融与科学 · 计算机科学 2021-07-01 Haoxue Wang , Liexin Cheng

Machine learning (ML)-based content moderation tools are essential to keep online spaces free from hateful communication. Yet, ML tools can only be as capable as the quality of the data they are trained on allows them. While there is…

计算与语言 · 计算机科学 2024-06-14 Zehui Yu , Indira Sen , Dennis Assenmacher , Mattia Samory , Leon Fröhling , Christina Dahn , Debora Nozza , Claudia Wagner

Voice-based biometric systems are highly prone to spoofing attacks. Recently, various countermeasures have been developed for detecting different kinds of attacks such as replay, speech synthesis (SS) and voice conversion (VC). Most of the…

多媒体 · 计算机科学 2020-08-07 Dipjyoti Paul , Md Sahidullah , Goutam Saha

Low-latency anonymity networks such as Tor remain vulnerable to infrastructure-level traffic analysis that exploits side-channel information observable from encrypted communications. We introduce NATA, a non-invasive active…

密码学与安全 · 计算机科学 2026-05-08 Zilve Fan , Zijian Zhang , Yangnan Guo , Jiaqi Gao , Zhen Li , Mengyu Wang , Chengxiang Si , Liehuang Zhu

Intrusion detection has been a key topic in the field of cyber security, and the common network threats nowadays have the characteristics of varieties and variation. Considering the serious imbalance of intrusion detection datasets will…

密码学与安全 · 计算机科学 2022-04-15 Zhewei Chen , Wenwen Yu , Linyue Zhou

Advanced Persistent Threats (APTs) pose a major cybersecurity challenge due to their stealth and ability to mimic normal system behavior, making detection particularly difficult in highly imbalanced datasets. Traditional anomaly detection…

密码学与安全 · 计算机科学 2025-02-14 Sidahmed Benabderrahmane , Petko Valtchev , James Cheney , Talal Rahwan

Machine learning (ML) and artificial intelligence (AI) techniques have now become commonplace in software products and services. When threat modelling a system, it is therefore important that we consider threats unique to ML and AI…

密码学与安全 · 计算机科学 2024-01-17 Vimal Kumar , Juliette Mayo , Khadija Bahiss

Adversarial attacks pose a major threat to machine learning and to the systems that rely on it. In the cybersecurity domain, adversarial cyber-attack examples capable of evading detection are especially concerning. Nonetheless, an example…

密码学与安全 · 计算机科学 2022-03-31 João Vitorino , Nuno Oliveira , Isabel Praça

Multimodal contrastive learning models like CLIP have demonstrated remarkable vision-language alignment capabilities, yet their vulnerability to backdoor attacks poses critical security risks. Attackers can implant latent triggers that…

密码学与安全 · 计算机科学 2025-06-17 Mengyuan Sun , Yu Li , Yuchen Liu , Bo Du , Yunjie Ge

With the broad application of deep neural networks (DNNs), backdoor attacks have gradually attracted attention. Backdoor attacks are insidious, and poisoned models perform well on benign samples and are only triggered when given specific…

机器学习 · 计算机科学 2022-07-12 Chang Yue , Peizhuo Lv , Ruigang Liang , Kai Chen

Automated traffic continued to surpass human-generated traffic on the web, and a rising proportion of this automation was explicitly malicious. Evasive bots could pretend to be real users, even solve Captchas and mimic human interaction…

密码学与安全 · 计算机科学 2026-02-11 Ghalia Jarad , Kemal Bicakci

AI-assisted cheating has emerged as a significant threat in the context of online exams. Advanced browser extensions now enable large language models (LLMs) to answer questions presented in online exams within seconds, thereby compromising…

人机交互 · 计算机科学 2025-10-23 Gökhan Akçapınar

The integration of communication networks and the Internet of Things (IoT) in Industrial Control Systems (ICSs) increases their vulnerability towards cyber-attacks, causing devastating outcomes. Traditional Intrusion Detection Systems…

信号处理 · 电气工程与系统科学 2020-05-05 Abdulrahman Al-Abassi , Hadis Karimipour , Ali Dehghantanha , Reza M. Parizi

Traditionally, security systems for enterprises have implicit access based on strong cryptography, authentication and key sharing, wherein access control is based on Role Based Access Control (RBAC), in which roles such as manager,…

密码学与安全 · 计算机科学 2022-03-18 Nitesh Kumar , Gaurav S. Kasbekar , D. Manjunath

While deep learning models have greatly improved the performance of most artificial intelligence tasks, they are often criticized to be untrustworthy due to the black-box problem. Consequently, many works have been proposed to study the…

计算与语言 · 计算机科学 2021-09-08 Lijie Wang , Hao Liu , Shuyuan Peng , Hongxuan Tang , Xinyan Xiao , Ying Chen , Hua Wu , Haifeng Wang

The ever-increasing security vulnerabilities in the Internet-of-Things (IoT) systems require improved threat detection approaches. This paper presents a compact and efficient approach to detect botnet attacks by employing an integrated…

密码学与安全 · 计算机科学 2026-02-12 Amna Naeem , Jawad Ahmad , Muazzam A. Khan , Aizaz Ahmad Khattak , Muhammad Shahbaz Khan

Autonomous underwater vehicles (AUVs) and sensor nodes increasingly support decentralized sensing and coordination in the Internet of Underwater Things (IoUT), yet most deployments rely on static trust once authentication is established,…

多智能体系统 · 计算机科学 2026-04-07 Ali Akarma , Toqeer Ali Syed , Abdul Khadar Jilani , Salman Jan , Hammad Muneer , Muazzam A. Khan , Changli Yu

Recently, advances in deep learning have been observed in various fields, including computer vision, natural language processing, and cybersecurity. Machine learning (ML) has demonstrated its ability as a potential tool for anomaly…

Intrusion detection is an essential task in the cyber threat environment. Machine learning and deep learning techniques have been applied for intrusion detection. However, most of the existing research focuses on the model work but ignores…

密码学与安全 · 计算机科学 2021-05-24 Haihua Chen , Ngan Tran , Anand Sagar Thumati , Jay Bhuyan , Junhua Ding