[andreyf]

That sounds scary. Could you clarify: how can criminals or security authorities use this to access my device?

[chmars]

Please allow me to refer to http://www.zdziarski.com/blog/?p=3466, Jonathan Zdziarski is far more qualified than I am to provide further information.

[st3fan]

They would need physical access to the device and know your unlock code.

[dmishe]

Wait, if they have that, they already have everything