[2505] in cryptography@c2.net mail archive
Re: TIME Magazine on GSM cell phone crack
daemon@ATHENA.MIT.EDU (Mike Rosing)
Tue Apr 14 15:07:02 1998
Date: Tue, 14 Apr 1998 13:46:50 -0500 (CDT)
From: Mike Rosing <cryptech@Mcs.Net>
cc: cryptography@c2.net
In-Reply-To: <Pine.GSO.3.95.980414172520.29858D-100000@nebula>
On Tue, 14 Apr 1998, Jyri Kaljundi wrote:
> Actually how would a cloned phone work in a real network, next to the
> original? Will they both work next to each-other? Will they both ring at
> the same time? Will some networks block the whole number when they see 2
> phones with same number registering to the network?
Usually both are cut off. The owner won't mind getting his phone
reprogrammed when told he's liable otherwise for a huge bill. It's
standard practice (in Motorola switches anyway) to monitor the system
for duplicate ESN's and kill them all. They won't ring, they will be
"disallowed" and that will traverse they entire roaming network as well.
The industry has been well aware of the problems for a long time. There's
so much money being made, they can afford to lose several million $ a day.
Beats dealing drugs I think!
Patience, persistence, truth,
Dr. mike
