| 摘要 |
A method of providing Extranet security to prevent unauthorized access to an Extranet site. The method comprises transmitting an introductory web page from an Extranet server to a user requesting access to the secure Extranet site, wherein at least one user-data input field is provided on the web page prompting the user to enter their credit card number within the at least one user-data input field and transmitting the user-credit card number to an Extranet server which provides the credit card number to a security module, wherein the security module maintains a database of each of a plurality of predetermined authorized, user-credit card numbers. The method further comprises verifying whether the submitted user credit card number is one of the plurality of predetermined authorized, user-credit card numbers, wherein said verifying step comprises comparing the user-credit card number with each of the plurality of predetermined authorized, user-credit card numbers and granting the user access to the secure Extranet site when a positive verification results from said verifying step, wherein an undesired output results in denial of access to said secure Extranet site.
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