In message <[log in to unmask]>, at
17:06:12 on Sat, 31 Jan 2015, "Marchini, Renzo"
<[log in to unmask]> writes
>Sometimes "John Smith" identifies a particular individual; sometimes not.
Even NI numbers are sometimes not unique identifiers:
<http://www.dailymail.co.uk/news/article-1033692/Two-women-called-Jean-
Price-given-NI-number--ONE-gets-pension.html>
>On 31 Jan 2015, at 16:31, Roland Perry <[log in to unmask]
><mailto:[log in to unmask]>> wrote:
>
>In message <[log in to unmask]<mailto:01510
>[log in to unmask]>>, at 12:48:03 on Sat, 31 Jan
>2015, Michael Bacon - Grimbaldus <[log in to unmask]<mailto:m
>[log in to unmask]>> writes
>Some real scenarios from retail clients:
>
>1) An account customer (#1) places an order online from home. The
>retailer's firewall captures the IP address. The stored account
>details include the customer's name, address, home and mobile telephone
>numbers and email address. It is easily arguable that the IP address
>is the customer's Personal Data.
>
>2) The customer's partner, also an account customer (#2), places an
>order online from home. The retailer's firewall captures the IP
>address. The stored account details include customer #2's name,
>address, home and mobile telephone numbers and email address. Whose PD
>is the IP address now? Both of them or neither of them? It cannot be
>used as a unique identifier of either one of them, as it will point to
>both of them.
>
>This is a classic case of the "excluded middle". Sometimes an IP
>address will be clearly one individual's PD, sometimes it will clearly
>not be. Then there's all the cases in the middle which "might be". But
>the only practical way to run your organisation is treat all IP
>addresses with the same respect and sort out the "who's PD" issue later
>on a case by case basis.
>
>[snip - more examples]
>
>These are everyday issues for online and large retailers. I know that
>they are less of an issue for utilities, and local and central
>government - where one is more commonly dealing with a *uniquely*
>identifiable individual assocated with a single address.
>
>For the Internet industry it's an issue of "public" (in published logs,
>WHOIS databases and so on, where in many cases there might be some
>mileage in getting informed consent) IP addresses are, and whether they
>need to be treated under DPA law when requested by law enforcement etc.
>
>I note, for example, that my previous posting included the following in
>one of the header lines (in a sense "logged by my email provider
>Gradwell and then published by the JISCMAIL system"):
>
> Received: from 5751e95f.skybroadband.com<http://5751e95f.skybroadband
>.com> (HELO perry.co.uk<http://perry.co.uk>)
> (87.81.233.95)
>
>The latter of course being my static IP address which certainly
>identifies the household, if not myself. It also reveals who my
>connectivity ISP is, but knowing that doesn't really help identify me,
>but just might say something about my choice of supplier (which
>stretching the analogy a bit is for some almost a religious matter).
>--
>Roland Perry
>
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--
Roland Perry
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