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Text-based secrets are still the most commonly used authentication mechanism in information systems. IT managers must strike a balance between security and memorability while developing password policies. Initially introduced as more secure…

Cryptography and Security · Computer Science 2021-12-08 Noopa Jagadeesh , Miguel Vargas Martin

The purpose of this study was to measure whether participant education, profession, and technical skill level exhibited a relationship with identification of password strength. Participants reviewed 50 passwords and labeled each as weak or…

Cryptography and Security · Computer Science 2020-01-15 Jason M. Pittman , Nikki Robinson

Managing passwords securely and conveniently is still an open problem for many users. Existing research has examined users' password management strategies and identified pain points, such as security concerns, leading to insecure practices.…

Cryptography and Security · Computer Science 2025-10-16 Alexander Ponticello , Filipo Sharevski , Simon Anell , Katharina Krombholz

Risk-based authentication (RBA) aims to protect users against attacks involving stolen passwords. RBA monitors features during login, and requests re-authentication when feature values widely differ from previously observed ones. It is…

Cryptography and Security · Computer Science 2022-11-11 Stephan Wiefling , Paul René Jørgensen , Sigurd Thunem , Luigi Lo Iacono

Traditional text-based password schemes are inherently weak. Users tend to choose passwords that are easy to remember, making them susceptible to various attacks that have matured over the years. ObPwd [5] has tried to address these issues…

Cryptography and Security · Computer Science 2018-01-23 Sufian Hameed , Lamak Qaizar , Shankar Khatri

In this paper, we explore graphical passwords as a child-friendly alternative for user authentication. We evaluate the usability of three variants of the PassTiles graphical password scheme for children, and explore the similarities and…

Human-Computer Interaction · Computer Science 2016-11-01 Hala Assal , Ahsan Imran , Sonia Chiasson

The majority of systems rely on user authentication on passwords, but passwords have so many weaknesses and widespread use that easily raise significant security concerns, regardless of their encrypted form. Users hold the same password for…

Cryptography and Security · Computer Science 2021-01-22 Vassilis Papaspirou , Leandros Maglaras , Mohamed Amine Ferrag , Ioanna Kantzavelou , Helge Janicke , Christos Douligeris

System passwords serve as critical credentials for user authentication and access control when logging into operating systems or applications. Upon entering a valid password, users pass verification to access system resources and execute…

Cryptography and Security · Computer Science 2026-02-03 Chaofang Shi , Zhongwen Li , Xiaoqi Li

Many approaches to transform classification problems from non-linear to linear by feature transformation have been recently presented in the literature. These notably include sparse coding methods and deep neural networks. However, many of…

Machine Learning · Computer Science 2015-07-08 Alessandro Montalto , Giovanni Tessitore , Roberto Prevete

The security of passwords is dependent on a thorough understanding of the strategies used by attackers. Unfortunately, real-world adversaries use pragmatic guessing tactics like dictionary attacks, which are difficult to simulate in…

Cryptography and Security · Computer Science 2022-12-13 Fangyi Yu

State-of-the-art password guessing tools, such as HashCat and John the Ripper, enable users to check billions of passwords per second against password hashes. In addition to performing straightforward dictionary attacks, these tools can…

Cryptography and Security · Computer Science 2019-02-18 Briland Hitaj , Paolo Gasti , Giuseppe Ateniese , Fernando Perez-Cruz

Considering computer systems, security is the major concern with usability. Security policies need to be developed to protect information from unauthorized access. Passwords and secrete codes used between users and information systems for…

Cryptography and Security · Computer Science 2014-02-27 Sharayu A. Aghav , RajneeshKaur Bedi

The trend toward a highly mobile workforce and the ubiquity of graphical interfaces (such as the stylus and touch-screen) has enabled the emergence of graphical authentications in Personal Digital Assistants (PDAs) [1]. However, most of the…

Cryptography and Security · Computer Science 2013-06-03 Xiyang Liu , Zhongjie Ren , Xiuling Chang , Haichang Gao , Uwe Aickelin

Two-factor authentication (2F) aims to enhance resilience of password-based authentication by requiring users to provide an additional authentication factor, e.g., a code generated by a security token. However, it also introduces…

Cryptography and Security · Computer Science 2014-02-03 Emiliano De Cristofaro , Honglu Du , Julien Freudiger , Greg Norcie

Today, offline attacks are one of the most severe threats to password security. These attacks have claimed millions of passwords from prominent websites including Yahoo, LinkedIn, Twitter, Sony, Adobe and many more. Therefore, as a…

Cryptography and Security · Computer Science 2020-09-15 Harshal Tupsamudre , Sachin Lodha

Network & internet security is the burning question of today's world and they are deeply related to each other for secure successful data transmission. Network security approach is totally based on the concept of network security services.…

Cryptography and Security · Computer Science 2015-06-22 Sanjay Majumder , Sanjay Chakraborty , Suman Das

Recent technological advancements have enabled proliferated use of small embedded and IoT devices for collecting, processing, and transferring the security-critical information and user data. This exponential use has acted as a catalyst in…

Cryptography and Security · Computer Science 2021-01-18 Avani Dave , Nilanjan Banerjee , Chintan Patel

Fingerprint authentication has been extensively employed in contemporary identity verification systems owing to its rapidity and cost-effectiveness. Due to its widespread use, fingerprint leakage may cause sensitive information theft,…

Cryptography and Security · Computer Science 2024-04-16 Man Zhou , Shuao Su , Qian Wang , Qi Li , Yuting Zhou , Xiaojing Ma , Zhengxiong Li

Cloud computing is drastically growing technology which provides an on-demand software, hardware, infrastructure and data storage as services. This technology is used worldwide to improve the business infrastructure and performance.…

Cryptography and Security · Computer Science 2012-07-17 Dinesha H. A. , V. K. Agrawa

The National Institute of Standards and Technology (NIST) released new guidelines in June of 2017 that recommended new standards for managing and accepting user passwords. Among the new guidelines is a requirement that verifiers should…

Cryptography and Security · Computer Science 2018-05-09 JV Roig