Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP 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)!