evercookies
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Killing the Evercookie (Google Chrome w/o Restart)
evercookie accomplishes this by storing the cookie data in several types of storage mechanisms that are available on the local browser. Additionally, if evercookie has found the user has removed any of the types of cookies in question, it recreates them using each mechanism available. Yes, plain evil. Samy research highlights a crucial aspect of privacy protection available in modern Web browsers -- and how difficult it can be for the average user to maintain. Dominic's solution for the Safari browser apparently requires a reset & restart of the browser and a bash script.
Killing the Evercookie - Dominic White
(Hi Slashdot & The Register readers. Make sure to check the 2nd part on killing iPhone Evercookie's too) Samy Kamar recently released his tool, evercookie . This uses multiple persistent data stores to set unique identifiers that can be used to identify your browser to a website. While my default Firefox browsing setup is safe against it, I noticed that the "disposable" Safari instance I used was not.evercookie is a javascript API available that produces extremely persistent cookies in a browser. Its goal is to identify a client even after they've removed standard cookies, Flash cookies (Local Shared Objects or LSOs), and others. evercookie accomplishes this by storing the cookie data in several types of storage mechanisms that are available on the local browser. Additionally, if evercookie has found the user has removed any of the types of cookies in question, it recreates them using each mechanism available.
evercookie - virtually irrevocable persistent cookies
Killing the Evercookie - Part2 MobileSafari - Dominic White
UPDATE: An iPhone developer has turned this into an awesome little SBSetting addon . You'll still need a jailbroken phone but can install it via Cydia. My previous experiments in killing the Evercookie in Safari sparked similar posts describing how to do the same for Chrome and Firefox . However, my second most frequent browsing platform is my iPhone, and I thought I would investigate how Apple IOS, MobileSafari & embedded WebKit fares. It does much worse . There are two problems; the first is, any app which embeds MobileWebKit has it's own stores for normal cookies, browser cache and HTML5 storage.
The persistent method that security researcher Samy Kamkar introduced last week for storing tracking data on a user's machine, known as the "Evercookie," is even more worrisome when used on mobile devices, according to another researcher's analysis. The Evercookie is a simple method for forcing a user's machine to retain browser cookies by storing the data in a number of different locations. The method also has the ability to recreate deleted cookies if it finds that the user has removed them.