[SATLUG] (fwd) Macromedia Flash can be used to track us
wmail at wricomp.com
Thu Apr 7 10:29:38 CDT 2005
Some interesting privacy news from GRC.com that probably affects Flash
player on all platforms.
Is there any firewall fingerprint that can block this at the border,
instead of changing settings on each GUI-equipped box? Or maybe
Default Deny should apply to port 80 as well. --Don
In grc.news, Steve Gibson <news2005 at grc.com> wrote:
In case you haven't yet heard, it turns out that the increasingly
ubiquitous Macromedia Flash MX player allows web sites to store
persistent information about us -- who knew? -- and that this
makes it possible to have deleted cookies reconstituted.
The good news is that there's a way to configure the Macromedia
Flash player that you most likely already have installed in your
system so that it won't do this.
Here's the report on Techweb ...
And here's the page you can visit on Macromedia's site to adjust
your Flash player settings for security. I turned EVERYTHING off,
deleted all past information stored by sites I had previous
visited, and have prevented any future sites from storing
This TinyURL expands to the long wrapping URL below it ...
Here's a snip from the top of the Techweb report ...
"Technology Uses Macromedia Flash MX to Thwart Cookie Purgers"
A New York company has begun offering persistent identification
element, or PIE, technology which "undermines" consumers' attempts
to remove cookies from their computers. By making use of the
local shared objects feature in Macromedia's Flash MX, PIE tags a
flash object to the user's browser when a PIE site is visited; the
tag acts as a sort of back-up cookie and can be used to restore a
deleted cookie when the site is revisited. Macromedia has posted
instructions on its web site for disabling shared objects uploaded
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