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Privacy Badger 1.0 Blocks the Sneakiest Kinds of Online Tracking

August 9, 2015

Browser Add-On Prevents Data Collection from Ads and Other Hidden Trackers

San Francisco - The Electronic Frontier Foundation (EFF) today released Privacy Badger 1.0, a browser extension that blocks some of the sneakiest trackers that try to spy on your Web browsing habits.

More than a quarter of a million users have already installed the alpha and beta releases of Privacy Badger. The new Privacy Badger 1.0 includes blocking of certain kinds of super-cookies and browser fingerprinting - the latest ways that some parts of the online tracking industry try to follow Internet users from site to site.

"It’s likely you are being tracked by advertisers and other third parties online. You can see some of it when it’s happening, such as ads that follow you around the Web that seem to reflect your past browsing history," said EFF Staff Technologist Cooper Quintin, lead developer of Privacy Badger. "Those echoes from your past mean you are being tracked, and the records of your online activity are distributed to other third parties - all without your knowledge, control, or consent. But Privacy Badger 1.0 will spot many of the trackers following you without your permission, and will block them or screen out the cookies that do their dirty work."

Privacy Badger 1.0 works in tandem with the new Do Not Track (DNT) policy, announced earlier this week by EFF and a coalition of Internet companies. Users can set the DNT flag - in their browser settings or by installing Privacy Badger - to signal that they want to opt-out of online tracking. Privacy Badger won’t block third-party services that promise to honor all DNT requests.

"With DNT and Privacy Badger 1.0, Internet users have important new tools to make their desires about online tracking known to the websites they visit and to enforce those desires by blocking stealthy online tracking and the exploitation of their reading history," said EFF Chief Computer Scientist Peter Eckersley, leader of the DNT project. "It’s time to put users back in control and stop surreptitious, intrusive Internet data collection. Installing Privacy Badger 1.0 helps build a leaner, cleaner, privacy-friendly Web."

To download Privacy Badger 1.0:

For more on the new Do Not Track policy:

For more information contact:
Cooper Quintin
Staff Technologist
Electronic Frontier Foundation
Phone: -

Peter Eckersley
Chief Computer Scientist
Electronic Frontier Foundation

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