You will notice electronic stores have reinforced their security:
If you have activated push notifications:
You will sign the transaction on your smartphone, using your app to confirm the purchase.
If you receive the confirmation keys by SMS:
You will only have to enter your usual password from the app or Banco Sabadell website and confirm the purchase.
If you have a password generator:
You will confirm your purchase by accessing to your online banking at Banco Sabadell website.
Remember that you will carry out the transaction in the Banco Sabadell environment, so the process is more secure and your data is protected.
Any questions? Answers here