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Related papers: Image Based Password Authentication System

200 papers

Over the last years, most websites on which users can register (e.g., email providers and social networks) adopted CAPTCHAs (Completely Automated Public Turing test to tell Computers and Humans Apart) as a countermeasure against automated…

Human-Computer Interaction · Computer Science 2015-12-18 Mauro Conti , Claudio Guarisco , Riccardo Spolaor

Locimetric authentication is a form of graphical authentication in which users validate their identity by selecting predetermined points on a predetermined image. Its primary advantage over the ubiquitous text-based approach stems from…

Cryptography and Security · Computer Science 2022-04-04 Antonios Saravanos , Dongnanzi Zheng , Stavros Zervoudakis , Donatella Delfino

In today's world password compromise by some adversaries is common for different purpose. In ICC 2008 Lei et al. proposed a new user authentication system based on the virtual password system. In virtual password system they have used…

Cryptography and Security · Computer Science 2011-03-22 Bhavin Tanti , Nishant Doshi

Implicit authentication consists of a server authenticating a user based on the user's usage profile, instead of/in addition to relying on something the user explicitly knows (passwords, private keys, etc.). While implicit authentication…

Cryptography and Security · Computer Science 2015-03-03 Josep Domingo-Ferrer , Qianhong Wu , Alberto Blanco-Justicia

Digital Photo images are everywhere around us in journals, on walls, and over the Internet. However we have to be conscious that seeing does not always imply reality. Photo images become a rich subject of manipulations due to the advanced…

Cryptography and Security · Computer Science 2021-10-19 Ahmad M. Nagm , Mohamed Torky , Khaled Y. Youssef

Authentication is a process by which an entity,which could be a person or intended computer,establishes its identity to another entity.In private and public computer networks including the Internet,authentication is commonly done through…

Cryptography and Security · Computer Science 2013-01-11 Maheswara Rao Valluri

With the rise of sophisticated authentication bypass techniques, passwords are no longer considered a reliable method for securing authentication systems. In recent years, new authentication technologies have shifted from traditional…

Cryptography and Security · Computer Science 2025-08-19 Lien Tran , Boyuan Zhang , Ratchanon Pawanja , Rashid Hussain Khokhar

Metaverse in general holds a potential future for cyberspace. At the beginning of Web 2.0, it was witnessed that people were signing in with various pseudonyms or 'nyms', risking their online identities by increasing presence of fake…

Cryptography and Security · Computer Science 2023-01-06 Sibi Chakkaravarthy Sethuraman , Aditya Mitra , Anisha Ghosh , Gautam Galada , Anitha Subramanian

We introduce Pixie, a novel, camera based two factor authentication solution for mobile and wearable devices. A quick and familiar user action of snapping a photo is sufficient for Pixie to simultaneously perform a graphical password…

Cryptography and Security · Computer Science 2017-10-24 Mozhgan Azimpourkivi , Umut Topkara , Bogdan Carbunar

To protect image contents, most existing encryption algorithms are designed to transform an original image into a texture-like or noise-like image, which is, however, an obvious visual sign indicating the presence of an encrypted image,…

Computer Vision and Pattern Recognition · Computer Science 2018-01-03 Xintao Duan , Haoxian Song , En Zhang , Jingjing Liu

Risk-based Authentication (RBA) is an adaptive security measure that improves the security of password-based authentication by protecting against credential stuffing, password guessing, or phishing attacks. RBA monitors extra features…

Cryptography and Security · Computer Science 2020-09-15 Stephan Wiefling , Tanvi Patil , Markus Dürmuth , Luigi Lo Iacono

In this paper, a new behavioral biometric password based on haptic interaction is described. This "haptic password" system is built on a device that has a force-sensitive screen. The user authentication process leverages maximal overlap…

Cryptography and Security · Computer Science 2020-10-28 Junjie Yan , Tamara Bonaci , Howard Jay Chizeck

Recent work suggests that a type of nudge or priming technique called the presentation effect may potentially improve the security of PassPoints-style graphical passwords. These nudges attempt to prime or non-intrusively bias user password…

Cryptography and Security · Computer Science 2021-04-23 Zach Parish , Amirali Salehi-Abari , Julie Thorpe

We propose and evaluate an authentication scheme that improves usability and user experience issues in the authentication process due to its reliance on people's aesthetic tastes and preferences. The scheme uses aesthetic images to verify…

Human-Computer Interaction · Computer Science 2022-04-13 Noam Tractinsky , Denis Klimov

Password security has been compelled to evolve in response to the growing computational capabilities of modern systems. However, this evolution has often resulted in increasingly complex security practices that alienate users, leading to…

Cryptography and Security · Computer Science 2025-10-14 Tonmoy Ghosh

Gesture and signature passwords are two-dimensional figures created by drawing on the surface of a touchscreen with one or more fingers. Prior results about their security have used resilience to either shoulder surfing, a human observation…

Cryptography and Security · Computer Science 2018-12-27 Can Liu , Shridatt Sugrim , Gradeigh D. Clark , Janne Lindqvist

The rapid advancement of generative AI has underscored the critical need for identifying image ownership and protecting copyrights. This makes post-processing image watermarking an essential tool -- it involves embedding a specific…

Cryptography and Security · Computer Science 2026-05-12 Xinyu Zhang , Ziping Dong , Qingyu Liu , Yuan Hong , Zhongjie Ba , Kui Ren

Face recognition systems are robust against environmental changes and noise, and thus may be vulnerable to illegal authentication attempts using user face photos, such as spoofing attacks. To prevent such spoofing attacks, it is crucial to…

Computer Vision and Pattern Recognition · Computer Science 2025-09-15 Shota Iwamatsu , Koichi Ito , Takafumi Aoki

This paper describes the implementation of a system to recognize employees and visitors wanting to gain access to a physical office through face images and speech-to-text recognition. The system helps employees to unlock the entrance door…

Computer Vision and Pattern Recognition · Computer Science 2020-10-19 Nathalie Tkauc , Thao Tran , Kevin Hernandez-Diaz , Fernando Alonso-Fernandez

In this cloud-dependent era, various security techniques, such as encryption, steganography, and hybrid approaches, have been utilized in cloud computing to enhance security, maintain enormous storage capacity, and provide ease of access.…

Cryptography and Security · Computer Science 2025-05-26 Naima Sultana Ayesha , Mehrin Anannya , Md Biplob Hosen , Rashed Mazumder