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Biometrics are widely used for authentication in consumer devices and business settings as they provide sufficiently strong security, instant verification and convenience for users. However, biometrics are hard to keep secret, stolen…

Cryptography and Security · Computer Science 2018-08-22 Mozhgan Azimpourkivi , Umut Topkara , Bogdan Carbunar

User authentication is one of the most important part of information security. Computer security most commonly depends on passwords to authenticate human users. Password authentication systems will be either been usable but not secure, or…

Cryptography and Security · Computer Science 2013-11-19 Gloriya Mathew , Shiney Thomas

Passwords provide security mechanism for authentication and protection services against unwanted access to resources. A graphical based password is one promising alternatives of textual passwords. According to human psychology, humans are…

Cryptography and Security · Computer Science 2011-10-19 Wazir Zada Khan , Mohammed Y. Aalsalem , Yang Xiang

We present SMAUG (Secure Mobile Authentication Using Gestures), a novel biometric assisted authentication algorithm for mobile devices that is solely based on data collected from multiple sensors that are usually installed on modern devices…

Cryptography and Security · Computer Science 2017-08-17 Christian A. Gorke , Frederik Armknecht

Security questions are one of the techniques used in fall-back authentication to retrieve forgotten passwords. This paper proposes a game design which aims to improve usability of system-generated security questions. In our game design, we…

Cryptography and Security · Computer Science 2017-07-26 Nicholas Micallef , Nalin Asanka Gamagedara Arachchilage

In contemporary mobile user authentication systems, verifying user legitimacy has become paramount due to the widespread use of smartphones. Although fingerprint and facial recognition are widely used for mobile authentication, PIN-based…

Cryptography and Security · Computer Science 2024-05-06 Yooshin Kim , Namhyeok Kwon , Donghoon Shin

In this research, we conduct a user study that compares different computer/system authentication methods. More specifically, we look into comparing regular password authentication with picture authentication. Picture authentication means…

Human-Computer Interaction · Computer Science 2024-01-19 Ignacio Astaburuaga

Computer users are generally authenticated by means of a password. Unfortunately passwords are often forgotten and replacement is expensive and inconvenient. Some people write their passwords down but these records can easily be lost or…

Human-Computer Interaction · Computer Science 2014-08-12 Tony McBryan , Karen Renaud , J. Paul Siebert

Fallback authentication is used to retrieve forgotten passwords. Security questions are one of the main techniques used to conduct fallback authentication. In this paper, we propose a serious game design that uses system-generated security…

Cryptography and Security · Computer Science 2017-09-27 Nicholas Micallef , Nalin Asanka Gamagedara Arachchilage

Protecting personal computers (PCs) from unauthorized access typically relies on password authentication, which is know to suffer from cognitive burden and weak credentials. As many users nowadays carry mobile devices with advanced security…

Human-Computer Interaction · Computer Science 2025-07-15 Andreas Pramendorfer , Rainhard Dieter Findling

Preservation of information and computer security is broadly dependent on the secured authentication system which is underpinned by password. Text based password is a commonly used and available system for authentication. But it bears many…

Cryptography and Security · Computer Science 2022-05-26 Sanjida Akter Sharna , Sheikh Ashraf Ali

Nowadays, user authentication is one of the important topics in information security. Strong textbased password schemes could provide with certain degree of security. However, the fact that strong passwords are difficult to memorize often…

Cryptography and Security · Computer Science 2009-12-08 Farnaz Towhidi , Maslin Masrom

Word clouds are a popular text visualization technique that summarize an input text by displaying its most important words in a compact image. The traditional layout methods do not take proximity effects between words into account; this has…

Human-Computer Interaction · Computer Science 2023-06-23 Michael Huber , Martin Nöllenburg , Anaïs Villedieu

Password authentication is a weak point for security as passwords are easily stolen and a user may ignore the security by using a simple password. Therefore, services increasingly demand a second factor. While this may enhance security, it…

Cryptography and Security · Computer Science 2024-07-24 Anastasia Dimaratos , Daniela Pöhn

Digital authentication is a mature field, offering a range of solutions with rigorous mathematical guarantees. Nevertheless, paper documents, where cryptographic techniques are not directly applicable, are still widely utilized due to…

Cryptography and Security · Computer Science 2022-10-25 Martín Ochoa , Jorge Toro-Pozo , David Basin

Mobile device users avoiding observational attacks and coping with situational impairments may employ techniques for eyes-free mobile unlock authentication, where a user enters his/her passcode without looking at the device. This study…

Human-Computer Interaction · Computer Science 2018-06-01 Flynn Wolf , Adam J. Aviv , Ravi Kuber

The development of the new generation of wireless technologies (6G) has led to an increased interest in semantic communication. Thanks also to recent developments in artificial intelligence and communication technologies, researchers in…

Information Theory · Computer Science 2025-03-27 Federico Francesco Luigi Mariani , Michele Zhu , Maurizio Magarini

Semantic communication allows the receiver to know the intention instead of the bit information itself, which is an emerging technique to support real-time human-machine and machine-to-machine interactions for future wireless…

Information Theory · Computer Science 2023-01-05 Zhaohui Yang , Mingzhe Chen , Gaolei Li , Yang Yang , Zhaoyang Zhang

Screen lock is a critical security feature for smartphones to prevent unauthorized access. Although various screen unlocking technologies, including fingerprint and facial recognition, have been widely adopted, they still have some…

Cryptography and Security · Computer Science 2021-03-24 Boyu Fan , Xiang Su , Jianwei Niu , Pan Hui

In low-resource computing contexts, such as smartphones and other tiny devices, Both deep learning and machine learning are being used in a lot of identification systems. as authentication techniques. The transparent, contactless, and…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Pangoth Santhosh Kumar , Garika Akshay
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