Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
you are responsible for maintaining the confidentiality of your account , password and other user information and for restricting access to your device to further help protect such information . 

```
. OPTIONS: ['Contract by using' 'Limitation of liability' 'Jurisdiction'
 'Unilateral termination' 'Unilateral change' 'Arbitration'
 'Choice of law' 'None' 'Content removal'].