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Threat actors can be persistent, motivated and agile, and leverage a diversified and extensive set of tactics and techniques to attain their goals. In response to that, defenders establish threat intelligence programs to stay…

密码学与安全 · 计算机科学 2021-03-30 Vasileios Mavroeidis , Audun Jøsang

Insider threats are a particularly tricky cybersecurity issue, especially in zero-trust architectures (ZTA) where implicit trust is removed. Although the rule of thumb is never trust, always verify, attackers can still use legitimate…

密码学与安全 · 计算机科学 2026-01-13 Gaurav Sarraf

We assess the security of machine learning based biometric authentication systems against an attacker who submits uniform random inputs, either as feature vectors or raw inputs, in order to find an accepting sample of a target user. The…

密码学与安全 · 计算机科学 2020-02-06 Benjamin Zi Hao Zhao , Hassan Jameel Asghar , Mohamed Ali Kaafar

Although the bulk of the research in privacy and statistical disclosure control is designed for static data, more and more data are often collected as continuous streams, and extensions of popular privacy tools and models have been proposed…

密码学与安全 · 计算机科学 2024-02-27 Nicolas Ruiz

The transition to online examinations and assignments raises significant concerns about academic integrity. Traditional plagiarism detection systems often struggle to identify instances of intelligent cheating, particularly when students…

计算机视觉与模式识别 · 计算机科学 2024-06-24 Debnath Kundu , Atharva Mehta , Rajesh Kumar , Naman Lal , Avinash Anand , Apoorv Singh , Rajiv Ratn Shah

Decentralized identity systems promise user-controlled identifiers and cross-domain verification without a shared identity provider, yet authentication still reduces to possession of keys or credentials once secrets are leaked, reused, or…

密码学与安全 · 计算机科学 2026-04-14 Zibin Lin , Taotao Wang , Junhao Lai , Shengli Zhang , Qing Yang , Soung Chang Liew

The primary objective of an anonymity tool is to protect the anonymity of its users through the implementation of strong encryption and obfuscation techniques. As a result, it becomes very difficult to monitor and identify users activities…

密码学与安全 · 计算机科学 2023-11-29 Javeriah Saleem , Rafiqul Islam , Zahidul Islam

There are currently two approaches to anonymization: "utility first" (use an anonymization method with suitable utility features, then empirically evaluate the disclosure risk and, if necessary, reduce the risk by possibly sacrificing some…

数据库 · 计算机科学 2015-01-20 Josep Domingo-Ferrer , Krishnamurty Muralidhar

In this paper, we propose a new biometric verification and template protection system which we call the THRIVE system. The system includes novel enrollment and authentication protocols based on threshold homomorphic cryptosystem where the…

密码学与安全 · 计算机科学 2015-09-02 Cagatay Karabat , Mehmet Sabir Kiraz , Hakan Erdogan , Erkay Savas

Analyzing keystroke dynamics (KD) for biometric verification has several advantages: it is among the most discriminative behavioral traits; keyboards are among the most common human-computer interfaces, being the primary means for users to…

计算机视觉与模式识别 · 计算机科学 2023-12-25 Giuseppe Stragapede , Ruben Vera-Rodriguez , Ruben Tolosana , Aythami Morales , Naser Damer , Julian Fierrez , Javier Ortega-Garcia

Many research papers have recently focused on behavioral-based driver authentication systems in vehicles. Pushed by Artificial Intelligence (AI) advancements, these works propose powerful models to identify drivers through their unique…

密码学与安全 · 计算机科学 2024-06-11 Emad Efatinasab , Francesco Marchiori , Denis Donadel , Alessandro Brighente , Mauro Conti

Biometric recognition systems, known for their convenience, are widely adopted across various fields. However, their security faces risks depending on the authentication algorithm and deployment environment. Current risk assessment methods…

计算机视觉与模式识别 · 计算机科学 2024-09-18 Tetsushi Ohki , Narishige Abe , Hidetsugu Uchida , Shigefumi Yamada

Zero Trust Architectures (ZTA) fundamentally redefine network security by adopting a "trust nothing, verify everything" approach that requires identity verification for all access. Conventional discrete access control measures have proven…

密码学与安全 · 计算机科学 2025-01-14 Sina Ahmadi

In order to protect user privacy on mobile devices, an event-driven implicit authentication scheme is proposed in this paper. Several methods of utilizing the scheme for recognizing legitimate user behavior are investigated. The…

网络与互联网体系结构 · 计算机科学 2016-07-28 Feng Yao , Suleiman Y. Yerima , BooJoong Kang , Sakir Sezer

Behavioural biometric authentication systems entail an enrolment period that is burdensome for the user. In this work, we explore generating synthetic gestures from a few real user gestures with generative deep learning, with the…

密码学与安全 · 计算机科学 2024-07-15 George Webber , Jack Sturgess , Ivan Martinovic

System logs are a valuable source of information for the analysis and understanding of systems behavior for the purpose of improving their performance. Such logs contain various types of information, including sensitive information.…

分布式、并行与集群计算 · 计算机科学 2019-01-23 Siavash Ghiasvand , Florina M. Ciorba

Signature verification is an authentication technique that considers handwritten signature as a biometric. From a biometric perspective this project made use of automatic means through an integration of intelligent algorithms to perform…

信号处理 · 电气工程与系统科学 2018-07-30 Rozita Teymourzadeh , Martin kizito , Kok Wai Chan , Mok Vee Hoong

The use of passwords and the need to protect passwords are not going away. The majority of websites that require authentication continue to support password authentication. Even high-security applications such as Internet Banking portals,…

网络与互联网体系结构 · 计算机科学 2020-11-13 Teik Guan Tan , Pawel Szalachowski , Jianying Zhou

Many tracking companies collect user data and sell it to data markets and advertisers. While they claim to protect user privacy by anonymizing the data, our research reveals that significant privacy risks persist even with anonymized data.…

密码学与安全 · 计算机科学 2026-02-12 Ruisheng Shi , Zhiyuan Peng , Tong Fu , Lina Lan , Qin Wang , Jiaqi Zeng

Fingerprint traits are widely recognized for their unique qualities and security benefits. Despite their extensive use, fingerprint features can be vulnerable to puppet attacks, where attackers manipulate a reluctant but genuine user into…

计算机视觉与模式识别 · 计算机科学 2023-11-20 Wenhao Wang , Guyue Li , Zhiming Chu , Haobo Li , Daniele Faccio