Two-stage human verification using HandCAPTCHA and anti-spoofed finger biometrics with feature selection
This paper presents a human verification scheme in two independent stages to overcome
the vulnerabilities of attacks and to enhance security. At the first stage, a hand image-based …
the vulnerabilities of attacks and to enhance security. At the first stage, a hand image-based …
Attack-filtered interactive arabic CAPTCHAs
SA Alsuhibany, MT Parvez - Journal of Information Security and …, 2022 - Elsevier
Abstract A CAPTCHA (Completely Automated Public Turing Test to Tell Computers and
Humans Apart) is widely used challenge–response test intended to distinguish between a …
Humans Apart) is widely used challenge–response test intended to distinguish between a …
POSTER: DeepCRACk: Using deep learning to automatically crack audio CAPTCHAs
A Completely Automated Public Turing test to tell Computers and Humans Apart
(CAPTCHA) is a defensive mechanism designed to differentiate humans and computers to …
(CAPTCHA) is a defensive mechanism designed to differentiate humans and computers to …
A novel CAPTCHA scheme based on facial expression reconstruction
M Moradi, MR Keyvanpour - International Journal of …, 2020 - inderscienceonline.com
Despite some technical and conceptual criticism on the CAPTCHA and its claimed
effectiveness, such human interaction proofs (HIPs) are still in the centre of attention. With …
effectiveness, such human interaction proofs (HIPs) are still in the centre of attention. With …
EYE-CAPTCHA: An enhanced CAPTCHA using eye movement
A Siripitakchai, S Phimoltares… - 2017 3rd IEEE …, 2017 - ieeexplore.ieee.org
CAPTCHA is a system used to distinguish between human and machine, typically as a
method to prevent spam and automatic data extraction from a bot or an attacker. As a result …
method to prevent spam and automatic data extraction from a bot or an attacker. As a result …
Attack-resistant aiCAPTCHA using a negative selection artificial immune system
The growth of online services has resulted in a great need for tools to secure systems from
would-be attackers without compromising the user experience. CAPTCHAs (Completely …
would-be attackers without compromising the user experience. CAPTCHAs (Completely …
Two-way image based CAPTCHA
M Poornananda Bhat, R Naveen Raj - Advances in Communication …, 2020 - Springer
CAPTCHA is a technology used to protect web applications from one of the malicious threats
called BOT. CAPTCHA's primary goal is to avail web services only to legitimate users and …
called BOT. CAPTCHA's primary goal is to avail web services only to legitimate users and …
[图书][B] Advances in communication, signal processing, VLSI, and embedded systems: Select proceedings of VSPICE 2019
S Kalya, M Kulkarni, KS Shivaprakasha - 2019 - books.google.com
This book comprises selected peer-reviewed papers from the International Conference on
VLSI, Signal Processing, Power Systems, Illumination and Lighting Control, Communication …
VLSI, Signal Processing, Power Systems, Illumination and Lighting Control, Communication …
[PDF][PDF] Poster: Adaptcha: An adaptive CAPTCHA for improved user experience
CAPTCHAs are an important security tool for preventing automated attacks against online
systems. However, they can be an undesirable source of friction in the user experience. In …
systems. However, they can be an undesirable source of friction in the user experience. In …
Securing Web Applications: Security Threats and Countermeasures
BM Arifuzzaman, SMN Mahmud, A Muniat… - … Approaches to Web …, 2022 - igi-global.com
Web-based services are common targets for hackers, and the need for ensuring their
security keeps on rising. Attackers often take advantage of the vulnerabilities of different web …
security keeps on rising. Attackers often take advantage of the vulnerabilities of different web …