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In this paper we evaluate mobile active authentication based on an ensemble of biometrics and behavior-based profiling signals. We consider seven different data channels and their combination. Touch dynamics (touch gestures and…

Cryptography and Security · Computer Science 2019-01-30 Alejandro Acien , Aythami Morales , Ruben Vera-Rodriguez , Julian Fierrez

We present a method for intrusion detection which is based on the Mach-Zehnder interference effect. This device provides monitored surveillance by continuously measuring the intensity of light collected by a pair of photodetectors. We find…

Quantum Physics · Physics 2013-03-28 C. Allen Bishop , Travis S. Humble , Ryan S. Bennink , Brian P. Williams

Rising complexity of in-vehicle electronics is enabling new capabilities like autonomous driving and active safety. However, rising automation also increases risk of security threats which is compounded by lack of in-built security measures…

Cryptography and Security · Computer Science 2024-01-22 Shashwat Khandelwal , Eashan Wadhwa , Shreejith Shanker

This paper considers Lorden's minimax quickest change detection (QCD) problem with a privacy constraint. The goal is to sanitize a signal to satisfy inference privacy requirements while being able to detect a change quickly. We show that…

Information Theory · Computer Science 2020-09-21 Tze Siong Lau , Wee Peng Tay

Security, defined as protection against external threats, is a critical concern for homes and offices. Intrusion, characterized by unauthorized access, presents a significant challenge to maintaining security. This research aims to address…

Cryptography and Security · Computer Science 2024-06-11 Victor Arinde , Liberty Idowu

In this paper, quickest detection of false data injection attack on remote state estimation is considered. A set of $N$ sensors make noisy linear observations of a discrete-time linear process with Gaussian noise, and report the…

Systems and Control · Electrical Eng. & Systems 2022-01-19 Akanshu Gupta , Abhinava Sikdar , Arpan Chattopadhyay

Attendance Management System (AMS) can be made into smarter way by using face recognition technique, where we use a CCTV camera to be fixed at the entry point of a classroom, which automatically captures the image of the person and checks…

Computers and Society · Computer Science 2014-01-24 MuthuKalyani. K , VeeraMuthu. A

As an inevitable trend of future 5G networks, Software Defined architecture has many advantages in providing central- ized control and flexible resource management. But it is also confronted with various security challenges and potential…

Cryptography and Security · Computer Science 2017-08-16 Jiaqi Li , Zhifeng Zhao , Rongpeng Li

The problem of quickest change detection (QCD) under transient dynamics is studied, where the change from the initial distribution to the final persistent distribution does not happen instantaneously, but after a series of transient phases.…

Statistics Theory · Mathematics 2018-12-13 Shaofeng Zou , Georgios Fellouris , Venugopal V. Veeravalli

The extensive use of Information and Communication Technology in critical infrastructures such as Industrial Control Systems make them vulnerable to cyber-attacks. One particular class of cyber-attacks is advanced persistent threats where…

Cryptography and Security · Computer Science 2019-06-10 Gael Kamdem De Teyou , Junior Ziazet

This work studies multiuser detection for one-bit massive multiple-input multiple-output (MIMO) systems in order to diminish the power consumption at the base station (BS). A low-complexity near-maximum-likelihood (nML) multiuser detection…

Information Theory · Computer Science 2018-06-11 Panos Alevizos

The rapid expansion of low-altitude economy Internet of Things (LAE-IoT) networks has created unprecedented security challenges due to dynamic three-dimensional mobility patterns, distributed autonomous operations, and severe resource…

Cryptography and Security · Computer Science 2026-01-27 Hongjuan Li , Hui Kang , Jiahui Li , Geng Sun , Ruichen Zhang , Jiacheng Wang , Dusit Niyato , Wei Ni , Abbas Jamalipour

The need to increase accuracy in detecting sophisticated cyber attacks poses a great challenge not only to the research community but also to corporations. So far, many approaches have been proposed to cope with this threat. Among them,…

Databases · Computer Science 2011-10-13 Huu Hoa Nguyen , Nouria Harbi , Jérôme Darmont

Vision-based dynamic pedestrian intrusion detection (PID), judging whether pedestrians intrude an area-of-interest (AoI) by a moving camera, is an important task in mobile surveillance. The dynamically changing AoIs and a number of…

Computer Vision and Pattern Recognition · Computer Science 2020-09-02 Jingchen Sun , Jiming Chen , Tao Chen , Jiayuan Fan , Shibo He

Traditional countermeasures against attacks targeting the receiver in quantum key distribution (QKD) systems often suffer from poor compatibility with deployed infrastructure, the risk of introducing new vulnerabilities, and limited…

Quantum Physics · Physics 2025-10-17 Junxuan Liu , Bingcheng Huang , Jialei Su , Qingquan Peng , Anqi Huang

The authentication field is evolving towards mechanisms able to keep users continuously authenticated without the necessity of remembering or possessing authentication credentials. While existing continuous authentication systems have…

Nowadays, the adoption of face recognition for biometric authentication systems is usual, mainly because this is one of the most accessible biometric modalities. Techniques that rely on trespassing these kind of systems by using a forged…

Computer Vision and Pattern Recognition · Computer Science 2019-02-11 Rodrigo Bresan , Allan Pinto , Anderson Rocha , Carlos Beluzo , Tiago Carvalho

Deploying machine learning-based intrusion detection systems (IDSs) on hardware devices is challenging due to their limited computational resources, power consumption, and network connectivity. Hence, there is a significant need for robust,…

Cryptography and Security · Computer Science 2024-03-05 Rabin Yu Acharya , Laurens Le Jeune , Nele Mentens , Fatemeh Ganji , Domenic Forte

Large Language Model (LLM)-powered agents demonstrate strong capabilities in autonomous task execution, tool use, and multi-step reasoning. However, their increasing autonomy also introduces a new attack surface: adversarial interactions…

Artificial Intelligence · Computer Science 2026-05-05 Sheldon Yu , Yingcheng Sun , Hanqing Guo , Julian McAuley , Qianqian Tong

Quantum computing may offer new approaches for advancing machine learning, including in complex tasks such as anomaly detection in network traffic. In this paper, we introduce a quantum generative adversarial network (QGAN) architecture for…

Machine Learning · Computer Science 2025-05-20 Wajdi Hammami , Soumaya Cherkaoui , Shengrui Wang
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