Vulnerability Development: Re: a method for bypassing cookie restrictions in web browsers

[Kevin Fu <nospam-google-me () MIT EDU>]

Felten and Schneider showed how to determine whether a user had
visited a given site by using web caching and timing measurements.
Although it was probabilistic, the attack allowed a third party to determine
whether a user had visited a given web site.

http://citeseer.nj.nec.com/felten00timing.html

-Kevin Fu


>This does appear to be a known way of tracking web users without
>using cookies:
>http://sourcefrog.net/projects/meantime/
>
>>
>> Any thoughts? Is the technique something new?