According to Samsung, the scanner sends ultrasounds to detect 3D ridges of fingerprints for recognise users quickly.
Lisa said: Anyone can access it and could get into the financial apps and transfer funds.
She then asked her husband to try and he too could unlock her phone with both his thumbs.
Its a real concern, Lisa said.
We called Samsung because we thought there was a fault with the phone.
We recommend all customers to use Samsung authorized accessories, specifically designed for Samsung products.
source: www.techworm.net