Invention Grant
US08745709B2 Multifactor authentication service 有权
多因素认证服务

Multifactor authentication service
Abstract:
A multifactor authentication (MFA) enforcement server provides multifactor authentication services to users and existing services. During registration, the MFA enforcement server changes a user's password on an existing service to a password unknown to the user. During normal usage when the user accesses the existing service through the MFA enforcement server, the MFA enforcement server enforces a multifactor authentication enforcement policy.
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