Passwords can be one of the weakest links in online security. Users too often choose one that's easily guessed or poorly protected; even strong passwords may need to be combined with additional measures, such as a smart card or a fingerprint scan, for extra protection. Delfigo Security, a startup based in Boston, has a simpler solution to bolstering password security. By looking at how a user types each character and by collecting other subtle clues as to her identity software creates security. (source: technologyreview.com)
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