System and method of detecting unauthorized use of identifiers

Details System and method of detecting unauthorized use of identifiers System and method of detecting unauthorized use of identifiers

1992-10-30

1994-11-15

Dwyer, James L.

Telephonic communications

Call or terminal access alarm or control

Fraud or improper use mitigating or indication

379 93, 379188, 379 95, H04M 166

Patent

active

053655800

ABSTRACT:
A system detects unauthorized use of an identifier in a communication system which includes at least one terminal coupled to a communication center via a communication network. The system includes a first part provided in the communication center for managing a password and a previous caller telephone number in correspondence with each identifier, and a second part provided in the communication center for sending a warning message to the terminal if an access identifier and an access password input from the terminal from which an access request is made respectively match one of the identifiers and a corresponding password managed by the first means but a present caller telephone number from which the access request is made is different from the previous caller telephone number.

REFERENCES:
patent: 4531023 (1985-07-01), Levine
patent: 4815031 (1989-03-01), Furukawa
patent: 5003595 (1991-03-01), Collins et al.
Smith, J.; "Callback security system prevents unauthorized computer access"; Mini-Micro Systems (Jul. 1984).
European Search Report dated Mar. 8, 1993.
IBM Technical Disclosure vol. 30 No. 3 Aug. 1987, "Location Identification to Prevent Unauthorized, User-Implimented, Dial-in Ports To Computers", pp. 1047-1050.

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