22572114 story Advertising Network Caught History Stealing 143 143 Posted by Soulskill on Friday July 22, 2011 @11:32AM from the sunlight-is-the-best-disinfectant dept. jonathanmayer writes "Last week the Stanford Security Lab reported some surprising results on how advertising networks respond to opt outs and Do Not Track. This week we made a new discovery in the online advertising ecosystem: Epic Marketplace, a member of the self-regulatory Network Advertising Initiative, is history stealing with unprecedented scale and sophistication. And Epic is snooping some remarkably sensitive information, including pages from the FTC, IRS, NIH, Mayo Clinic, and more. Epic has written a response defending its practices."