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8 posts

Wannabe Geek


# 40231 27-Aug-2009 11:14
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Can anyone help with a security concern regarding conecting through an APN with the 885.

I'm in a large corporate Win XP environment & currently testing and historically with CDMA we've set up a new connection and not used the watcher.  We've found no choice with the 885 - as it stores the information on the sim card.

Hence, a security issue if the card is lost or stolen.  Has anyone found a work around on this that is not putting a pin code on the sim card, 2 factor or vpn!


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  # 250949 27-Aug-2009 11:16
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Specifically what information are you concerned about being stored on the SIM?









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Wannabe Geek


  # 250972 27-Aug-2009 13:00
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Thanks for your prompt response.  Essentially all dialling information - APN details & then radius server details (and credentials - coded, but potentially hackable) are stored on the SIM card.  This hasn't occured before... we've always had this stored on the users laptop or pc, so there is somewhat of a concern that if the card is found it could be used to gain access (if you knew what you're doing) to information about our buisness etc.

 
 
 
 


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  # 251020 27-Aug-2009 15:47
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I am happy to be corrected but I am not aware that any APN, Username or password info is stored on the SIM card. I really don't think this happens.




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Wannabe Geek


  # 251024 27-Aug-2009 15:54
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well, we can take the card, put it onto a new/different laptop, load the software & bingo - we're dialled in to our APN... we can see & edit the information on the card - so this is a big risk for us.  I could be wrong in saying it's stored on the SIM card, but either way, it's stored in the 'device unit' so if it's lost or stolen, we have an issue.

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  # 251028 27-Aug-2009 16:01
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APN is attached to the MSISDN in the network so yes it will follow the SIM

Its meant to

and you will find authication is off the IMSI

John

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  # 251036 27-Aug-2009 16:45
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Like JohnR says, APN is attached to the SIM card at the network level but username/password are stored on the device not the SIM at all.




The comments I write on this forum do not necessarily reflect the views of my employer and as such cannot be taken as official statements of my employer.

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