{"title":"New CAPTCHA Approach for Securing Online Social Network and Webpages Using Extended Finite Automata (XFA CAPTCHA)","authors":"Menna Mostafa, Hamdy M. Mousa, Medhat A. Tawfik","doi":"10.21608/ijci.2021.207733","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":137729,"journal":{"name":"IJCI. International Journal of Computers and Information","volume":"39 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IJCI. International Journal of Computers and Information","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.21608/ijci.2021.207733","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}