A challenge-response mechanism for securing online social networks against social bots
T Mohamed, M Ali, I Hani - International Journal of Ad Hoc …, 2019 - inderscienceonline.com
Social bots is fast becoming a serious security threat to online social networks (OSNs).
Social bots are automated software tools able to execute malicious activities in OSNs …
Social bots are automated software tools able to execute malicious activities in OSNs …
[PDF][PDF] Hybrid collage captcha
D Shankar, P Gupta, A Jaiswal - International journal of scientific & …, 2013 - academia.edu
Authentication is indeed at the heart of any secure system. CAPTCHAs, a class of HIPs tests,
are a program that tells whether user is a human or a computer. CAPTCHAs currently in use …
are a program that tells whether user is a human or a computer. CAPTCHAs currently in use …
Securing online social networks against bad bots based on a necklace captcha approach
Protecting Online Social Networks (OSNs) against the new generation of the automated
software tools (ie Social Bots) is an increasingly important lack from the security and privacy …
software tools (ie Social Bots) is an increasingly important lack from the security and privacy …
[PDF][PDF] Implementation of Colored CAPTCHA
Completely Automated Public Turing test to tell Computers and Humans Apart. The purpose
of a CAPTCHA is to block form submissions from spam bots–automated scripts that harvest …
of a CAPTCHA is to block form submissions from spam bots–automated scripts that harvest …
[PDF][PDF] An Investigation on Jawi CAPTCHA Based Security for Login Authentication and Authorization: Is It an Alternative Solution?
Authentication plays a significant role in computer security to validate human users.
CAPTCHA is one of human interaction proof test to verify whether user is a human or a …
CAPTCHA is one of human interaction proof test to verify whether user is a human or a …