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 (on Internet newsgroup microsoft.public.security)
      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" (on Internet newsgroup alt.comp.freeware)
      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?
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