Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
if you become aware of an unauthorized access to your account , you must change your password and notify us immediately . 

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