Slashdot Mirror

← Back to Stories (view on slashdot.org)

Introducing the Invulnerable Evercookie

Posted by CmdrTaco on from the evil-and-clever dept.

An anonymous reader writes "Using eight different techniques and locations, a 'security' guy has developed a cookie that is very, very hard to delete. If just one copy of the cookie remains, the other locations are rebuilt. My favorite storage location is in 'RGB values of auto-generated, force-cached PNGs using HTML5 Canvas tag to read pixels (cookies) back out' — awesome."

2 of 332 comments (clear)

  1. Re:"That's the great thing about evercookie" by Anonymous Coward · · Score: 5, Informative

    it's not his research either. this has already been observed in the wild and already reported by ars technica.

    http://arstechnica.com/tech-policy/news/2010/08/ad-firm-sued-for-allegedly-re-creating-deleted-cookies.ars

    the advertisement company got already sued for it.

  2. At least Linux users can... by WarmBoota · · Score: 5, Informative

    symlink the LSO folder to /dev/null

    --
    90% of everything is crap. Also, crap is relative.