[cryptome] Re: NYC Taxicab Log Dump

  • From: Aftermath <aftermath.thegreat@xxxxxxxxx>
  • To: "cryptome@xxxxxxxxxxxxx" <cryptome@xxxxxxxxxxxxx>
  • Date: Thu, 26 Jun 2014 11:54:09 -0700

... cant tell if sarcasm or not..?

but yeah, I just found the link and I thought this list would appreciate
the share :)

On Thu, Jun 26, 2014 at 11:48 AM, doug <douglasrankine2001@xxxxxxxxxxx>

> On 26/06/14 18:19, Aftermath wrote:
> Dear Aftermath...or is it Bill?
> I thought this posting was absolutely brilliant. My congratulations to you
> for bringing it to our attention and Mr. Wong wh did the initial research.
>  Why?  Because...if you think on it, you have saved the NSA, the CIA and
> the intelligence and security departments  of the New York Police Force
> huge amounts of money on expenditure of resources...and foreign
> organisations such as the Chinese, the Israelis, the Russians and any ole
> Tom, Dick and Harry of a security organisation a lot of time.  Even the
> United Nations security and intelligence services will be all agog at your
> posting when they read it.  I hope you are not claiming copyright on
> it...;-) . At the click of a button, they can all find out  who has been
> doing what in New York....United Nations officials, Ambassadors, envoys,
> consuls and all sorts of public and civil service officials, secret
> service, intelligence services, even the private sector.  All this metadata
> available to link up with known associations and links...and all open
> source too, who visited who and when, who was where and when, with a little
> help from the smart mobile phone, the most valuable source of i.d. location
> and contacts, you have provided the world, with a wealth of information.
>  Just think...the amount of money you have saved the world's intelligence
> organisations.  Absolutely f*cking brilliant....My congratulations...
> ATB;-)
> Dougie.
> P.S. Who needs privacy and encryption when we have all this stuff about
> the world leaders in our very own hands.  It is all a question of pressing
> the right button...
>  http://chriswhong.com/open-data/foil_nyc_taxi/
>> and
>> https://medium.com/@vijayp/f6bc289679a1
>> from the second link...
>> "
>> Recently, thanks to a Freedom of Information request, Chris Whongreceived
>> and made public a complete dump of historical trip and fare logs from NYC
>> taxis. It’s pretty incredible: there are over 20GB of uncompressed data
>> comprising more than 173 million individual trips. Each trip record
>> includes the pickup and dropoff location and time, anonymized hack licence
>> number and medallion number (i.e. the taxi’s unique id number, 3F38, in my
>> photo above), and other metadata.
>> These data are a veritable trove for people who love cities, transit, and
>> data visualization. But there’s a big problem: the personally identifiable
>> information (the driver’s licence number and taxi number) hasn’t been
>> anonymized properly — what’s worse, it’s trivial to undo, and with other
>> publicly available data, one can even figure out which person drove each
>> trip. In the rest of this post, I’ll describe the structure of the data,
>> what the person/people who released the data did wrong, how easy it is to
>> deanonymize, and the lessons other agencies should learn from this. (And
>> yes, I’ll also explain how rainbows fit in).
>> The NYC taxi data consist of a number of CSV-files.....
>> "

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