Method for reducing fraudulent system access

• US 20030045271A1
• Filed: 08/30/2001
• Published: 03/06/2003
• Est. Priority Date: 08/30/2001
• Status: Active Grant

• Current Assignee: Google Technology Holdings LLC (Alphabet Inc.)
• Original Assignee: Motorola, Inc. (Motorola Solutions, Inc.)
• Inventors: Martinovich, Krsman Kris, Carey, Christopher P.
• Granted Patent: US 7,130,613 B2
• Time in Patent Office: Days
• US Class Current: 455/411
• CPC Class Codes: H04L 63/08 for authentication of entities cryptographic mechanisms or cryptographic arrangements for entity authentication H04L9/32
• CPC Class Codes: H04M 1/66 with means for preventing unauthorised or fraudulent calling verifying user identity or authority in secret or secure digital communications H04L9/32
• CPC Class Codes: H04M 15/00 Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
• CPC Class Codes: H04M 15/47 Fraud detection or prevention means
• CPC Class Codes: H04M 2203/6027 Fraud preventions
• CPC Class Codes: H04M 2207/18 wireless networks
• CPC Class Codes: H04M 2215/0148 Fraud detection or prevention means
• CPC Class Codes: H04M 2215/32 Involving wireless systems
• CPC Class Codes: H04M 3/382 using authorisation codes or passwords
• CPC Class Codes: H04W 12/06 Authentication
• CPC Class Codes: H04W 12/126 Anti-theft arrangements, e.g. protection against subscriber identity module [SIM] cloning

Abstract

A method of reducing access to communication system resources by a fraudulent Mobile Station (102). The Mobile Switching Center (104) sends a message to the Authentication Center (106) to invoke a first authentication procedure. The Authentication Center responds with a message including the results of the first procedure, and possibly, parameters for performance of an additional authentication procedure. Based on the contents of the message, the Mobile Switching Center decides whether to delay call setup until after the additional authentication procedure has completed successfully or whether to initiate call setup in parallel with the additional authentication procedure.

Claims

1. A method of reducing fraudulent access to communication system resources by a mobile station, the method comprising the steps of:

transmitting a first message to invoke performance of a first authentication procedure;

receiving a second message containing a first parameter indicating a status of the first authentication procedure and containing at least a second parameter associated with a second authentication procedure; and

determining whether to delay the mobile station access to the communication system resources until the second authentication procedure has completed successfully.

2. The method of claim 1 wherein the step of determining comprises the steps of:

determining whether the first parameter is an AuthenticationFailureEvent parameter;

if the first parameter is the AuthenticaitonFailureEvent parameter, delaying the MS access to the communication system resources until the second authentication procedure has completed successfully.

3. The method of claim 1 wherein the step of determining comprises the steps of:

determining whether the first parameter is a Deny Access parameter;

if the first parameter is not the Deny Access parameter, determining whether the first parameter is an AuthenticationFailureEvent parameter;

if the first parameter is not the AuthenticationFailureEvent parameter, initiating call setup before the second authentication procedure has completed.

4. The method of claim 3 further comprising the steps of:

determining whether the second authentication procedure is successful; and

if unsuccessful, discontinuing call setup.

5. The method of claim 1 wherein the second authentication procedure is a Unique Challenge procedure.

6. The method of claim 1 wherein the second authentication procedure is an SSD Update procedure.