From: Jerome Athias (jerome.athiasfree.fr)
Date: Thu Oct 04 2007 - 13:48:29 CDT

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Hi Wilmar,

you should first do a check with NetMonitor
http://wiki.thc.org/cracking_a5 is a good reference

and as an example, here is one defense product:
http://www.spycatcheronline.co.uk/gsm-cryptacell-p-193.html

2c
/JA
http://www.ja-psi.com
http://www.linkedin.com/in/jeromeathias

Wilmar Sulaiman a écrit :
> Hi guys,
>
> I am looking for a guidance on how to pen test a mobile phone on the
> GSM network. Well I guess the main objective in this pen test is to
> ensure that no one is listening to my phone conversation. I am hoping
> to get a reasonable assurance that no one this includes phone operator
> can listen to my conversation.
>
> As a mobile phone user, is there something that we can do to secure
> mobile phone conversation? Is it possible to setup a secure channel
> communication through GSM network? just like VPN? How expensive is the
> device?
>
> cheers,
> Wilmar

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