Android 4.0 Ice Cream Sandwich is having lots of amazing features. One of the most highlighted feature of the Android ICS is the Face Unlock where a user can unlock the phone showing his/her face. But like anything else, it is having a negative side too and it can cause a major security risk.
I have thought earlier that what would happen if somebody uses the image of the mobile owner to unlock the Android ICS device? Unfortunately, I am not having the Samsung Galaxy Nexus to check this but a guy did it. And surprisingly, it works. You can unlock an Android ICS device using the image of the user.
Below is a video which shows that how the Face Unlock feature is having a major security flaw. Have a look