Authentication based on telephone number recycling
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United States of America Patent
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Aug 20, 2019
Grant Date -
Feb 1, 2018
app pub date -
Aug 1, 2016
filing date -
Aug 1, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A method and system for authenticating a user is provided. In some embodiments, a security system determines whether the time since the last authentication was successful is less than a recycle telephone number period (e.g., the minimum time before which a telephone number might be assigned to a new user). If the time is less than the recycle telephone number period, the security system performs a primary authentication of the user based on a telephone number received from the user. When the primary authentication is successful, the security system indicates that the user has been authenticated. When the time is not less than a recycle telephone number period, the security system performs a secondary authentication of the user. When the secondary authentication is successful, the security system indicates that the user has been authenticated.
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