evercookie

English

Etymology

From ever +‎ cookie.

Noun

evercookie (plural evercookies)

1. (Internet) A special kind of HTTP cookie that is especially resistant to deletion by the user.
   • 2014, Emmett Dulaney, Chuck Easttom, CompTIA Security+ Study Guide: SY0-401‎^[1]:

     A breed of cookie known as evercookie writes data to multiple locations to make it next to impossible ever to remove it completely (http://samy.pl/evercookie/).

See also

• supercookie

References

• Zombie cookie wars: evil tracking API meant to “raise awareness”