http://www.computerworld.com Computerworld StaffDecember 05, 2007 (Computerworld) -- Just because your Web browser is set to block third-party tracking cookies that doesn't mean all of them are being blocked.
A growing number of Web sites are quietly resorting to the use of "first-party," subdomain cookies to skirt anti-spyware tools and cookie blockers and allow third-party information gathering and ad serving, according to some privacy advocates and industry analysts.
Though the cookies are not fundamentally different from other third-party cookies, they are very hard to detect and block, said Stefan Berteau, research engineer with CA's anti-spyware research team. The result: companies could theoretically use the cookies to quietly gather and share consumer information with little risk of detection, he said.
Click here to read the full article...
Author
