If you’ve used Windows 8, or even just seen the ads for it, you’ll know it has a feature called Picture Passwords.

You choose a picture, any picture, and then “annotate” it with three finger movements: you can tap a point, draw a stroke, or sweep a circle.

The picture helps you to remember where you made the gestures, so you can repeat them reliably enough to pass the test and unlock your device.

If you have a touch screen tablet, Picture Passwords are surprisingly handy. (Pun intended.)

But how safe are they?

via Windows Picture Passwords – are they really as “easily crackable” as everyone’s saying? | Naked Security.

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