[Gsmmap] attach/detach 3g and 4g mobiles
domi at tomcsanyi.net
Wed Nov 14 00:22:15 CET 2018
Yes. For 4G I am 100% sure, for 3G I am 99.9% sure it is possible. For references check out  and  (sorry for the self-marketing).
 - Borgaonkar, Ravishankar; Shaik, Altaf - 'Practical attacks against privacy and availability in 4G/LTE'
 - Tomcsanyi, Domonkos - 'Security analysis of the LTE Uu interface using open-source software'
> From: "josefh maier" <josefh.maier at hushmail.com>
> To: "gsmmap" <gsmmap at lists.srlabs.de>
> Sent: Tuesday, November 13, 2018 6:25:50 PM
> Subject: [Gsmmap] attach/detach 3g and 4g mobiles
> As i undersand mobile phones do send their IMSI as rearely as possible, to avoid
> of beeing tracked.
> But if catching IMSI is the unique goal, can an IMSI catcher force as well 3g
> and 4g users to detach
> and re-attach in order to be able to catch their IMSI (some people do say it's
> possible, others do say no...) ?
> Thank's a lot!
> Gsmmap mailing list
> Gsmmap at lists.srlabs.de
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