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This page was last modified 14:21, 22 August 2007.

TIMSI

From Forum Nokia Wiki

  • The TIMSI stands for Temporary International Mobile Subscriber Identity, which is a pseudo-random number generated from the IMSI number.
  • The TIMSI is utilized in order to remove the need to transmit the IMSI over-the-air. This helps to keep the IMSI more secure.
  • To track a GSM user via IMSI or TIMSI, an eavesdropper must intercept the GSM network communication where the TIMSI is initially negotiated.
  • In addition, because the TIMSI is periodically renegotiated, the eavesdropper must intercept each additional TIMSI re-negotiation session.
Retrieved from "http://wiki.forum.nokia.com/index.php/TIMSI"
 
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