发明授权
US08955066B1 Knowledge based authentication using recent user internet activity 有权
基于知识的认证,使用最近的用户互联网活动

Knowledge based authentication using recent user internet activity
摘要:
A technique of knowledge-based authentication receives information from third parties as to a user's recent web history including purchase history at an on-line retailer or search engine queries to produce a challenge question to authenticate the user based on that recent web history.
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