In a new post from the Building Windows 8 blog, the software make demo a new method that shorten the sign in time from 17 seconds in average typing a password in a keyboard to just a few seconds with pictures password, and allows users to sign in to Windows 8 in a fast and fluid way in tablets, other touch enabled devices and in PC’s as well by sketching three different patterns over an image. This is how secure pictures password on Windows 8 is: this new method has two parts. First you get to pick the image from your collection — this increases security and memorability of the password — and second a set of gestures that you draw upon it, that you get to decide. Another layer of security comes with directionality, when you draw the gestures on the selected image that will constitute your password, Windows will record how you drew it. This will prevent the slightly and remote chance if someone tries to reproduce your picture password. Not only this person (the attacker) will need to know the circles and lines, but also the attacker needs to know the direction and start and end points for the circles and lines you drew making it very difficult for someone else to break your password. Microsoft also researched the use of freedom gestures took longer time to sign in. But they figured out that using a limited set of gestures (3) is a lot faster, more than three times and easier to remember. The company also addressed the concerns over smudges that can be visible on a touch device that could potentially reveal a PIN based or picture password. In test conducted by the software maker on a touch screen with visible smudging. The amount of ways for ordering a PIN password of 4 digits is 24, and it doubles to 48 combinations when the password is based on gestures. Even though Microsoft is showing that picture password is robust, the company will also give the freedom to home users and businesses to use this method as an extra option and it is not a requirement. Watch this demo video:
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