supercookie

English

Etymology

super- +‎ cookie

Noun

supercookie (plural supercookies)

1. (computing, informal) A data store on a user's computer that can be accessed by websites and used as a more persistent form of cookie.
   • 2005, Brian Lesser, Giacomo Guilizzoni, Robert Reinhardt, Programming Flash Communication Server:

     The SharedObject class is familiar to many Flash programmers as a way to create a kind of supercookie; a local shared object (LSO) can store ActionScript data on the client between sessions.

   • 2005, Boojum, “Supercookie”, in microsoft.public.security (Usenet):

     While doing an online security scan, I was told I can ^[sic] a vulnerability because of the presence of a supercookie.

   • 2009, Billy, “Adobe's Flash Player sets "supercookies"”, in alt.comp.freeware (Usenet):

     I use the SR Ware Iron Browser, always on Incognito, and set to remove all data when i close the pane. I also remove all records after each day. Can you tell me, does this remove the supercookies?

See also

• evercookie