How to know if a site is secure
Before entrusting your banking information or personal information, make sure that the site is secure.
Check that the URL in the address bar is: https: // ... The "s" added to the usual http means "security"
The symbol of a closed padlock must also appear in the address bar of the e-commerce site. If this is the case, you can safely transmit your personal data.
La boutique du haut-parleur uses secure payment with SSL system
How to recognize SSL on a site?
But this varies depending on the browser you are using. For example, on chrome, part of the URL is in green while on Internet Explorer the bottom of the area is completely green. A little trick that might interest you, you could click on the little green padlock, it will open a small bubble that will give interesting information on securing the site in question.