changing IMEI

Neal H. Walfield neal at walfield.org
Thu Feb 20 15:27:33 CET 2014


At Thu, 20 Feb 2014 14:11:33 +0100,
joerg Reisenweber wrote:
> 
> On Thu 20 February 2014 12:05:00 Christoph Pulster wrote:
> > Hi,
> > 
> > @joerg: sorry we mis-communicate.
> 
> No we don't. Or at least I don't. ;-)
> 
> > I am not talking about tracking  
> > (location of caller), 
> 
> me neither since that's absolutely trivial
> 
> 
> > but identification of caller.
> 
> me too
> 
> 
> > If I buy a mobile, name is registered and connected with IMEI.
> 
> Depends. 
> 
> 
> > Using a Openmoko and changing IMEI with Michaels tool does make a "new"  
> > device out of it. Logfiles cant be law prooven evident of my identity.
> 
> Sorry, that's a dangerous misconception. 
> Again, just in case I still didn't manage to make it clear enough: there is 
> nobody else but you on this earth calling those 3 phone numbers (unless you 
> call numbers that are getting called by 0.5mio users per day).
> Simply compare who called number A during last year, and who also called 
> number B during last year already reduces number of individuals to max 10. 
> Then check which of those 10 individuals doesn't use her/his old IMEI anymore 
> and here you are: old IMEI linked to new fake IMEI. With only 2 calls done 
> from your new SIM and IMEI to your wife and your mother (or any other 
> arbitrary two "normal" phone numbers you called before). This will hold for 
> evidence on any court, better than fingerprints.

Why do you think the only use for a mobile phone is to make calls?  If
I only make a data connection and am careful to tunnel all of my data
via Tor, then this identification method is useful.

Neal



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