Oct 6, 2013 � We formalize, design and implement such captchas, and dissect them across: (1) fully automated attacks, (2) human-solver relay attacks, and (3) usability.
Our results suggest that the studied DCG captchas exhibit high usability and, unlike other known captchas, offer some resistance to relay attacks, but they are�...
A Three-Way Investigation of a Game-CAPTCHA: Automated Attacks, Relay Attacks and Usability. Manar Mohamed1. Niharika Sachdeva2∗. Michael Georgescu1. Song Gao1.
This work proposes an Emerging Image Cue CAPTCHA that offers improved usability and resists stream relay attacks, as well and examines the usability and�...
Aug 19, 2017 � A three-way investigation of a game-CAPTCHA: automated attacks, relay attacks and usability. June 2014. Conference: Proceedings of the 9th ACM�...
A three-way investigation of a game-captcha: automated attacks, relay attacks and usability. M Mohamed, N Sachdeva, M Georgescu, S Gao, N Saxena, C Zhang, ...
A three-way investigation of a game-CAPTCHA: automated attacks, relay attacks and usability � Computer Science, Psychology. AsiaCCS � 2014.
CAPTCHA is a type of challenge response test used to distinguish human users from malicious computer programs such as bots, and is used to protect email,�...
A three-way investigation of a game-captcha: automated attacks, relay attacks and usability. M Mohamed, N Sachdeva, M Georgescu, S Gao, N Saxena, C Zhang, ...
... Three-way dissection of a game-captcha: Automated attacks, relay attacks, and usability. CoRR, abs/1310.1540 (2013). Google Scholar. Naor, M.: Verification of�...