Evaluation of Captcha Technologies towards Prevention of Phishing attacks

Vallala Santhosh, L. Lakshmi


Evaluation of Captcha technologies towards prevention of phishing attacks as User Authentication Online guessing attacks, relay attacks and shoulder surfing attacks are handled, where Captcha as graphical passwords (CaRPS). CaRPS is click-based graphical passwords it performs a sequence of clicks on an image is used to derive a password. Dynamic captcha challenge image is used for each login attempt in CaRPS. Text Captcha and image-recognition Captcha are used in CaRPS scheme where reCAPTCHA is built for security. Armed with state of the art technology, it always stays at the forefront of spam and abuse fighting trends it prevents form phishing attacks. reCAPTCHA is on guard for you, so you can rest easy and evaluates a broad range of cues that distinguish humans from bots provides an unparalleled view into abusive activity on the internet.


reCAPTCHA; Graphical Passwords; Captcha as Graphical Password Scheme (Carps); phishing attacks

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Copyright (c) 2015 Vallala Santhosh, L. Lakshmi

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