All data is kept private and encrypted in our database.
It is never used for any purposes other than securely storing them. Your data is never used/seen by anybody other than yourself.
The credentials are securely transferred to the cloud via secured HTTPS connections. Then it is encrypted and stored. After which your key in the cloud is destroyed. So that only the user has their key(s).
Again, to emphasize it enough, no data will be sold to anybody nor will your data be accessed by anyone but yourself.
Make sure to use strong key(s).