Great Circle Associates Firewalls
(May 1993)
 

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Subject: Liability (was: Re: New file transfer protocol: FSP )
From: smb @ research . att . com
Date: Fri, 14 May 93 14:24:43 EDT
To: Firewalls @ GreatCircle . COM

	 Besides, if you've denied him access, and he's on the
	 computers anyway, he's illegally using your resources. I think
	 your liability concerns go away in this scenario.

I've lost the context of what is meant here by liability; however,
I've found an interesting court case, from 1932.  It concerns liability
for the cargo of a barge lost in a storm -- a loss that likely would
have been avoided if the tugboat had been equipped with a radio
receiver to hear a weather forecast.

        But here there was no custom at all as to receiving sets; some had
        them, some did not; the most that can be urged is that they had
        not yet become general.  Certainly in such a case we need not
        pause; when some have thought a device necessary, at least we may 
        say that they were right, and the others too slack.
        ...
        We hold [against] the tugs therefore because [if] they had been
        properly equipped, they would have got the Arlington reports.  The 
        injury was a direct consequence of this unseaworthiness.
	(The T.J. Hooper, 60 F.2d 737 (2d Cir. 1932))

That is, the tugboat owners were held liable for not taking a precaution
that, though reasonable, wasn't even customary in their industry.  (Only
one tugboat line equipped its ships with radios.)  I wonder what level
of security a court would hold to be necessary if a third party suffered
some losses because of the actions of a hacker.


		--Steve Bellovin


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From: chowes @ sfu . ca (Charles Howes)
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