Man-in-the-middle detector and a method using it
First Claim
Patent Images
1. A method comprising:
- a mobile terminal of a cellular telephone network receiving signaling messages at least from a first base station and a second base station of the cellular telephone network;
the mobile terminal interpreting both last received signaling messages;
the mobile terminal searching for an anomaly by comparing at least one signaling parameter included in the message received from the first base station to the same signaling parameter included in the message received from the second base station; and
the mobile terminal giving an alert about a rogue base station when the comparison gives an anomaly concerning at least one signaling parameter of the message of the first base station or the second base station.
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Abstract
A method receives signaling messages by a mobile apparatus at least from one base station of a cellular network, interprets a received signaling message, searches for an anomaly with at least one signaling parameter of the received signaling message from a first base station to a known comparison signaling parameter, gives an alert if the comparison gives an unequal result concerning at least one signaling parameter.
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Citations
19 Claims
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1. A method comprising:
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a mobile terminal of a cellular telephone network receiving signaling messages at least from a first base station and a second base station of the cellular telephone network; the mobile terminal interpreting both last received signaling messages; the mobile terminal searching for an anomaly by comparing at least one signaling parameter included in the message received from the first base station to the same signaling parameter included in the message received from the second base station; and the mobile terminal giving an alert about a rogue base station when the comparison gives an anomaly concerning at least one signaling parameter of the message of the first base station or the second base station. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 10)
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9. A mobile terminal of a cellular telephone network comprising:
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a receiver configured to receive signaling messages at least from a first base station and a second base station of the cellular telephone network; a processor configured to interpret both last received signaling messages; a memory configured to save interpreted signaling parameters; wherein the processor is configured to execute steps of a software program comprising computer readable code for searching for an anomaly in a received signaling message by comparing at least one signaling parameter of the message received from the first base station to a signaling parameter of the message received from the second base station; and an alarm unit configured to give an alert about a rogue base station when the comparison gives an anomaly concerning at least one signaling parameter of the message of the first base station or the second base station. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification