Great Circle Associates Firewalls
(April 1995)
 

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Subject: Re: Secure Modem Pool
From: Mark Christopher Davies <mcd @ interview . com>
Date: Wed, 26 Apr 1995 20:10:29 -0400 (EDT)
To: Carl Jolley <cjolley @ iac . net>
Cc: Firewalls @ GreatCircle . COM
In-reply-to: <Pine . SUN . 3 . 91 . 950426100028 . 26066A-100000 @ little-miami . iac . net>

On Wed, 26 Apr 1995, Carl Jolley wrote:

> I recently heard about an interesting twist on dial-back security. With
> this product, a remote user dials a server and provides a user-id. This
> server then calls a pager assigned to this person and provides a one-time
> password. The person who initiated the call then uses the one-time
> password from their beeper to complete the logon. This approach is
> interesting to me for several reasons: 1) it could allow for the
> elimination of the requirement for a separate hardware device or list of
> one-time passwords that could be stolen or lost (or in the case of a paper
> list, copied), 2) it supports mobility, i.e., the remote user is not

And I sit there knowing what paging company that you use and utilize my 
Universal Radio M-400 Paging Decoder and get a password... now, if you 
had an encrypted password, that the user had to unscramble based on a 
particular key, that would be more secure, but paging is done on a clear 
channel.

Christopher Davies      | Voice:   +1-301-513-0163
24 Hour Computers       | Fax:     +1-301-513-0165
Washington DC Area USA  | Data:    +1-301-513-5297
Emergency Service/Sales | Internet: Chris @
 24hour .
 com




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