Using Arabic CAPTCHA for Cyber Security

Bots are automated programs designed to make auto registrations in online services, resulting in wastage of resources and breach of web security. English based CAPTCHAs are used to prevent bots from abusing these online services. However, English based CAPTCHAs have some inherent flaws and have been...

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Bibliographic Details
Published inSecurity Technology, Disaster Recovery and Business Continuity Vol. 122; pp. 8 - 17
Main Authors Khan, Bilal, Alghathbar, Khaled S., Khan, Muhammad Khurram, AlKelabi, Abdullah M., AlAjaji, Abdulaziz
Format Book Chapter
LanguageEnglish
Published Germany Springer Berlin / Heidelberg 2010
Springer Berlin Heidelberg
SeriesCommunications in Computer and Information Science
Subjects
Arabic
automated-bots
CAPTCHA
security
spam
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ISBN3642176097
9783642176098
ISSN1865-0929
1865-0937
DOI10.1007/978-3-642-17610-4_2

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Summary:Bots are automated programs designed to make auto registrations in online services, resulting in wastage of resources and breach of web security. English based CAPTCHAs are used to prevent bots from abusing these online services. However, English based CAPTCHAs have some inherent flaws and have been broken by bots. In this paper, an Arabic text based CAPTCHA is proposed. The CAPTCHA text image is distorted with background noise. Background noise and dots in the Arabic text makes CAPTCHA hard to be broken by Arabic OCRs. The proposed scheme is useful in Arabic speaking countries and in protecting internet resources. The proposed CAPTCHA scheme is both secure and robust. Experimental results show that background noise is a good defense mechanism against OCR recognizing Arabic text.
ISBN:3642176097
9783642176098
ISSN:1865-0929
1865-0937
DOI:10.1007/978-3-642-17610-4_2