[MyData & Open Data] Fwd: De-identification

Thu Jul 10 12:58:35 UTC 2014

Also worth reading is Narayanan's follow up which very usefully breaks down
the various arguments for de-identification, classifying them from 'good'
to 'reasonable' to 'bad'.

http://33bits.org/2014/07/09/good-and-bad-reasons-for-anonymizing-data

Something that struck me while reading this is that de-identification is a
like a cheap padlock on a dataset. It can usually be broken easily, and
breaking it will just get easier over time as it gets rusty and
lockpicker's tools get better. But crappy padlocks are sometimes still
useful - they serve a legal and symbolic function. They may be easily
broken but they put up enough of a barrier to keep honest people honest. Of
course, this often isn't enough, but serves a purpose in certain contexts.

> Message: 1
> Date: Wed, 9 Jul 2014 15:08:45 +0200
> From: Javier Ruiz <javier at openrightsgroup.org>
> To: mydata-open-data <mydata-open-data at lists.okfn.org>
> Subject: [MyData & Open Data] Fwd: De-identification
> Message-ID: <9D6AA824-323E-4DBD-B467-95072E658A0D at openrightsgroup.org>
> Content-Type: text/plain; charset="iso-8859-1"
>
> From the UK anon list
>
>
> > And now, a rebuttal from Narayanan/Felten
> >
> https://freedom-to-tinker.com/blog/randomwalker/no-silver-bullet-de-identification-still-doesnt-work/
> >
> >>
> >>> Ontario privacy commissioner Cavoukian & ITIF analyst Castro have
> >>> published a new white paper:
> >>>
> >>>
> http://www.privacybydesign.ca/index.php/paper/big-data-innovation-setting-record-straight-de-identification-work/
> >>>
> >>>
> >>
>
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> ------------------------------
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> Message: 2
> Date: Wed, 9 Jul 2014 14:24:53 +0100
> From: Sally Deffor <sally.deffor at okfn.org>
> To: Javier Ruiz <javier at openrightsgroup.org>
> Cc: mydata-open-data <mydata-open-data at lists.okfn.org>
> Subject: Re: [MyData & Open Data] Fwd: De-identification
> Message-ID:
>         <CAAc9EgKj7JJ=wFOCKOF+b4pjmMrPb7=
> bLadeWRmhM1wG1hT7nQ at mail.gmail.com>
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>
> Thanks for sharing Javier! Once again, convincing arguments made :-)
>
>
> On 9 July 2014 14:08, Javier Ruiz <javier at openrightsgroup.org> wrote:
>
> > From the UK anon list
> >
> >
> > > And now, a rebuttal from Narayanan/Felten
> > >
> >
> https://freedom-to-tinker.com/blog/randomwalker/no-silver-bullet-de-identification-still-doesnt-work/
> > >
> > >>
> > >>> Ontario privacy commissioner Cavoukian & ITIF analyst Castro have
> > >>> published a new white paper:
> > >>>
> > >>>
> >
> http://www.privacybydesign.ca/index.php/paper/big-data-innovation-setting-record-straight-de-identification-work/
> > >>>
> > >>>
> > >>
> >
> >
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> >
> >
>
>
> --
>
>
> *Sally DefforOpen Data & Privacy Project Coordinator | skype:deffor.selase
> | @SDeffor | +44 (0)7774 734206 The **Open Knowledge Foundation*
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