Interactive Video CAPTCHA for Better Resistance to Automated Attack

Usuzaki, Shotaro; Aburada, Kentaro; Yamaba, Hisaaki; Katayama, Tetsuro; Park, Mirang; Okazaki, Naonobu

doi:10.23919/icmu.2018.8653624

Cited by 3 publications

(1 citation statement)

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“…However, this technique improves usability while also raising the average of threatened attacks that Optical Character Recognition (OCR) application. The design of CAPTCHA presented by Ye et al [21] (Which is called a DDIM -CAPTCHA) includes obscure terms such as traditional CAPTCHA based on text. The major distinct from the other design by the participant can answer a test: by asking the participant to write the solution, this type of CAPTCHA requests the participant to select the right character from a group of characters into a "box of solution".…”

Section: A Captcha Based On Textmentioning

confidence: 99%

New CAPTCHA Approach for Securing Online Social Network and Webpages Using Extended Finite Automata (XFA CAPTCHA)

mostafa

Mousa

Tawfik

2021

IJCI. International Journal of Computers and Information

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Today computer and the internet play an important role in our daily life. We have shown highly remarkable of automated behavior that is criminal in violation of terms of services such as auto sharing or send friend request. SO, CAPTCHA is used for protecting webpages against automated programs which are called bots. It is providing challenge response tests that determine whether or not the users are human or bot. It contains various contorted letters that are difficult for attacker's bots, but easy for humans. Since there are a lot of services on the internet, for example (email, social network, search engine) which allow users to register, during registration, some attackers write malicious programs that make website resources damaged by making automated software which is called (Bots). Many research developed more techniques to prevent accessing web resources by spammers. This paper introduces a new mechanism of CAPTCHA approach using extended finite automata (XFA) for securing web pages and online social networks against a new breed of bots. The XFA CAPTCHA is a CAPTCHA based on image which generates its tests using the automata Graph technique. The result of our research evidence that the mechanism of XFA CAPTCHA is effective in terms of security and usability respectively. As a result of that, it improved the rate of efficiency by 97.8%, the time for solving is around 20 seconds, and the value the probability of success rate for speculation attack is decreased to 1.03% in average. When compared to other CAPTCHAs, the XFA CAPTCHA is a strong competitor in terms of security and usability function.

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Section: A Captcha Based On Textmentioning

confidence: 99%