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| Version 1 | Version 2 |
|---|---|
| Samsung: Anyone's thumbprint can unlock Galaxy S10 phone | Samsung: Anyone's thumbprint can unlock Galaxy S10 phone |
| (about 4 hours later) | |
| A flaw that means any fingerprint can unlock a Galaxy S10 phone has been acknowledged by Samsung. | A flaw that means any fingerprint can unlock a Galaxy S10 phone has been acknowledged by Samsung. |
| It promised a software patch that would fix the problem. | It promised a software patch that would fix the problem. |
| The issue was spotted by a British woman whose husband was able to unlock her phone with his thumbprint just by adding a cheap screen protector. | The issue was spotted by a British woman whose husband was able to unlock her phone with his thumbprint just by adding a cheap screen protector. |
| When the S10 was launched, in March, Samsung described the fingerprint authentication system as "revolutionary". | When the S10 was launched, in March, Samsung described the fingerprint authentication system as "revolutionary". |
| Air gap | Air gap |
| The scanner sends ultrasounds to detect 3D ridges of fingerprints in order to recognise users. | The scanner sends ultrasounds to detect 3D ridges of fingerprints in order to recognise users. |
| Samsung said it was "aware of the case of S10's malfunctioning fingerprint recognition and will soon issue a software patch". | Samsung said it was "aware of the case of S10's malfunctioning fingerprint recognition and will soon issue a software patch". |
| South Korea's online-only KaKao Bank told customers to switch off the fingerprint-recognition option to log in to its services until the issue was fixed. | South Korea's online-only KaKao Bank told customers to switch off the fingerprint-recognition option to log in to its services until the issue was fixed. |
| Previous reports suggested some screen protectors were incompatible with Samsung's reader because they left a small air gap that interfered with the scanning. | Previous reports suggested some screen protectors were incompatible with Samsung's reader because they left a small air gap that interfered with the scanning. |
| Thumb print | Thumb print |
| The British couple who discovered the security issue told the Sun newspaper it was a "real concern". | The British couple who discovered the security issue told the Sun newspaper it was a "real concern". |
| After buying a £2.70 gel screen protector on eBay, Lisa Neilson registered her right thumbprint and then found her left thumbprint, which was not registered, could also unlock the phone. | |
| She then asked her husband to try and both his thumbs also unlocked it. | She then asked her husband to try and both his thumbs also unlocked it. |
| And when the screen protector was added to another relative's phone, the same thing happened. | And when the screen protector was added to another relative's phone, the same thing happened. |