From: "Mark M." <markm@voicenet.com>
Date: Fri, 15 Mar 1996 11:58:08 +0800
To: cypherpunks@toad.com
Subject: Re:LACC: PC Phones Home?
In-Reply-To: <v02140b01ad6d4363168b@[199.2.22.124]>
Message-ID: <Pine.LNX.3.91.960314171412.421A-100000@gak>
MIME-Version: 1.0
Content-Type: text/plain


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On Wed, 13 Mar 1996, Jim McCoy wrote:

> A few questions:
> 
> 1- How does the PC know where it is?
> 2- How does the PC know it has been stolen?
> 
> Since this is a software product I am assuming that the answer to #1
> is the use of CallerID on the line when the software calls, which is
> defeated by the use of line blocking by the thief.  The obvious answer
> to #2 seems to me to have the system call the CompuTrace office at
> odd intervals to see if it has been reported stolen yet...

If the company uses an 800-number, than ANI can be used to identify the
caller.  ANI information cannot be blocked with *67 or line blocking.

> 
> Obvious solution for potential thieves: wipe the disks and reinstall
> an OS once you steal a PC.  This should be done anyway to remove any
> bits of data which might identify the original owner.

If the software installs itself on the master boot record, than reformatting
the disk would not get rid of the program.

- --Mark

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