Invention Grant
US08213583B2 Secure access to restricted resource 有权
安全访问受限制的资源

Secure access to restricted resource
Abstract:
A system may generate an access number, provide the access number to a user via a telephone call, and provide the access number to an authentication server. The system may regulate access by the user to a restricted resource based on the access number provided to the user and the access number provided to the authentication server.
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