Well it works by measuring the speed at which you type. So it asks you to enter your password and login details nine times and that enables it to take a sample of your typing speed.
This technology will not be seeing your computer anytime soon, as it’s designed more for banks and similar institutions, primarily thanks to it’s $34,000 price tag. I might be naive, but a technology like this doesn’t sound that difficult to throw together. If so, it shouldn’t be long before a competitor comes along.
Source: APM