Eikonal Blog


Web-Cookies Security

Best practices

  • For the most secure result, the standard session management cookie should be a “session” cookie that expires as soon as the Web browser is closed. Furthermore, the server should enforce a fairly short maximum lifetime on sessions even if the browser remains open. (source: [2])

Session tracking mechanisms


  • Evercookies – http://samy.pl/evercookie/
      Following session (cookie-like) information can be stored:

      • Standard HTTP Cookies
      • Local Shared Objects (Flash Cookies)
      • Silverlight Isolated Storage
      • Storing cookies in RGB values of auto-generated, force-cached
      • PNGs using HTML5 Canvas tag to read pixels (cookies) back out
      • Storing cookies in Web History
      • Storing cookies in HTTP ETags
      • Storing cookies in Web cache
      • window.name caching
      • Internet Explorer userData storage
      • HTML5 Session Storage
      • HTML5 Local Storage
      • HTML5 Global Storage
      • HTML5 Database Storage via SQLite
      • Caching in HTTP Authentication
      • Using Java to produce a unique key based off of NIC info

  • Google search – http://www.google.com/search?q=evercookie

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