The SSL/TLS technology encrypts confidential data when transferring it through open, unprotected internet channels and makes it significantly harder for malicious actors to intercept it (for theft or switching the data with trap websites created for this specific purpose. Both sides (client – server) use a couple of special keys (hacking-resistant number sequences) that they get with the certificate. The message is encrypted with a “public” key before being transferred, while the “private” key is used to restore it to its previous state.
SSL certificates are a priority for website owners – this technology increases the security of the site and improves user trust. This is especially true of users that need to register on the site and input personal information (such as credit card information for purchasing, ordering or booking services). If this data were to end up in the wrong hands, this would cause catastrophic consequences for all parties.
When attempting to access a site with the HTTPS protocol, the client’s browser verifies the validity of the domain name (whether the SSL certificate is present/valid). If the connection appears unsecure and the site seems suspicious (potentially used by criminals to intercept and redirect requests to themselves), the user gets a warning message. If the site is validated, a secure https connection is established. This can be seen in the browser’s search bar where a lock symbol appears.