full-disclosure - Re: Google Tracking

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Date: Sat, 15 Sep 2007 12:30:37 -0600
From: "Thomas Coppi" <thisnukes4u@...il.com>
To: "Marcin Wielgoszewski" <marcinw86@...il.com>
Cc: kristian.hermansen@...il.com, full-disclosure@...ts.grok.org.uk
Subject: Re: Google Tracking

On 9/15/07, Marcin Wielgoszewski <marcinw86@...il.com> wrote:
> dre posted about "Using Google Analytics to Subvert Privacy" several
> days ago here:
>
> http://www.tssci-security.com/?p=303
>
> The fact is, you can't block Google Analytics using NoScript unless
> you inspect all JavaScript running on every website. This is because
> any site can download the urchin.js code locally and host it on their
> own site. If you set NoScript to implicitly trust a domain, one that's
> running urchin.js, you're tracked. The best way to prevent GA from
> tracking you is to block all cookies globally, only allowing cookies
> for domains you implicitly trust.
>
> See the post for more details.
>

The CustomizeGoogle Firefox extension has an option to prevent cookies
from Google Analytics and also to "Anonymize the Google cookie UID",
whatever that means.

> --
> Marcin
>
> > On 9/15/07, Cyberheb <cyb3rh3b@...il.com> wrote:
> >
> > "Noscript is ur friend"?!
> >
> > Beside using that firefox add-on to block the google-analytics thing, you
> > can also use the anonymity tools to hide from other analysis tracking
> > application.
> >
> > - h3b
> >
> > On 9/15/07, Kristian Erik Hermansen <kristian.hermansen@...il.com> wrote:
> > >
> > > It appears to me that Google has the ability to know nearly all the
> > > sites you have visited because many larger web presences utilize
> > > Google Analytics.  What this means is that Google is continually
> > > compiling data on every visitor across the Internet.  If they like,
> > > they should have the ability to tie this to any Google services
> > > account you operate.  Thus, perhaps they can search your Google user
> > > id and see nearly all the web sites you have ever visited across the
> > > Internet (not necessarily using their search engine, mind you).
> > > Pretty cool, or scary, depending on which side of the fence you sit.
> > >
> > > Now, correct me if I am wrong here, but I would like to hear from
> > > anyone who utilizes Google Analytics and believes this is not the
> > > case.  Does the EULA suggest that Google is not tracking users across
> > > the entire Internet?  Just a random though I had.  Maybe this is
> > > widely known and everyone has taken proactive measures to hide this
> > > data from Google already.  It is merely as simple as blocking the
> > > domain.  Maybe there is a more elegant way to do it?
> > > --
> > > Kristian Erik Hermansen
> > >
> >
>
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-- 
Thomas Coppi

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