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security for website using php

i need some one to give me a workflow of this, ok

i have a site at http:\\[url removed, login to view] , this site selling a calling card what i need advice from you is, currently i using paypal and then i will move to the real processing credit card thru merchant account, now i worry the security issue, how to prevent a fraud for my site, the way my site works is, when they purchase a calling card and the once the payment is proved the will get the pin right away, so i want to prevent the fraud, i saw some website , the way they do it is , new customer have to sign up then once they sign up we have to call them to verify to see if it is him/her to sign up , another way was they call 1800 number to activated their account, so

what i want is, THERE IS ANY OTHER WAY TO ACTIVATED ACCOUNT EXCEPT THOSE TWO WAYS, ANY OTHER WAY, i need a workflow for this, i using php now

## Deliverables

1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Installation package that will install the software (in ready-to-run condition) on the platform(s) specified in this bid request. 3) Complete ownership and distribution copyrights to all work purchased.

## Platform

windows

php

Habilidades: Amazon Web Services, Engenharia, MySQL, PHP, Arquitetura de software, Teste de Software, Hospedagem Web, Gestão de Site , Teste de Website

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Acerca do Empregador:
( 58 comentários ) United States

ID do Projeto: #2962646

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