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Comment on Show HN: Person Identification by Keyboard Typing

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Authenticating users via typing isn't new. In fact it was already available more than 12 years ago. Unfortunately the original source isn't available anymore, but Bruce Schneier covered it back then: https://www.schneier.com/blog/archives/2005/11/authenticatin...

I also did find a paper in German from the company which tried to commercialize it in the following years: http://www.horst-goertz.de/hgs-wordpress/wp-content/uploads/...

British intelligence "authenticated" Russian embassy staff somewhere in the midst of the cold war, and they where using typewriters. So it's way older than 12 years ago. Also: since the authors of this gimmick tool want you to train in by means of typing specifics it implies they made it overcomplicated.

There are multiple companies doing that. BioCatch as a random example. But it does not, for very inherent reasons, work in browser environments. I did not test this classifier, but it'll fail once you switch from chrome to FF.

It’s older than that, Michael Crichton wrote about and posted source code in an Applesoft Basic magazine in early 80s.

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