Method to challenge cell phone user for fraudulent use

Details Method to challenge cell phone user for fraudulent use Method to challenge cell phone user for fraudulent use

2008-05-13

2008-05-13

Ferguson, Keith (Department: 2618)

Telecommunications

Radiotelephone system

Security or fraud prevention

C455S411000, C455S565000, C455S564000, C455S550100, C455S422100, C455S403000, C455S414100, C379S199000, C379S200000, C379S207140, C379S210020, C379S216010

Reexamination Certificate

active

11157538

ABSTRACT:
A method and system for monitoring calls being made from a cellular phone and preventing calls being made to unauthorized numbers, as defined by the owner of the cellular phone. A security challenge is issued to a cell phone user when a suspicious, previously unknown telephone number is attempted to be called. Approved/safe numbers and/or area codes are stored within the phone and/or in a subscriber's account accessible and updated via the Internet. If the user is unable to provide the correct security code in response to the challenge, the user is prevented from making the call to the particular number.

REFERENCES:
patent: 5884193 (1999-03-01), Kaplan
patent: 6035217 (2000-03-01), Kravitz
patent: 7046782 (2006-05-01), Miller
patent: 2002/0077079 (2002-06-01), Ishihara
patent: 2002/0165012 (2002-11-01), Kirbas et al.
patent: 2004/0082322 (2004-04-01), Tani
patent: 2006/0089120 (2006-04-01), Luo et al.
patent: WO 98/57514 (1998-12-01), None

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