For confirmation that you are using a safe website, check that the page starts with https://.
In addition, a closed padlock or a key should appear at the bottom of the page. All our pages are in a secure web zone.
A certificate issued by DigiCert guarantees the security of our system. If when you access the service your browser does not recognise our Certificate, it will tell you that it has expired, and you must update it on your computer by means of a double click on the padlock that appears at the bottom of the screen and then clicking on "Install certificate".