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Posting-Version: version B 2.10.1 6/24/83; site mgweed.UUCP
Path: utzoo!watmath!clyde!burl!ulysses!mhuxj!ihnp4!mgnetp!mgweed!plw
From: plw@mgweed.UUCP (Pete Wilson)
Newsgroups: net.followup
Subject: Re: telcom security
Message-ID: <13409@mgweed.UUCP>
Date: Thu, 8-Nov-84 20:51:46 EST
Article-I.D.: mgweed.13409
Posted: Thu Nov  8 20:51:46 1984
Date-Received: Sat, 10-Nov-84 08:05:14 EST
References: <114@dlpco.UUCP>
Organization: AT&T Consumer Products - Montgomery Illinois
Lines: 10


 >What if you attach a high quality tape recorder to a person's telephone
 >line that is attached to their computer at 300 or 1200 baud with any
 >of the available modems.  If you played the recording back to your modem,
 >wouldn't you be able to watch all of the incoming and outgoing activity?

 A 'high quality tape recorder' isn't necessary, but some fairly decent
 tape would help. All data transmitted over the switched network is in
 the voice band frequencies ( < 3KHZ actually ). I wouldn't recommend
 this as a general practice, however (legalities, you know)!