We use HTTPS: The "S" stands for "security" websites are about by default transfer the protocol HTTP (Hypertext Transfer Protocol). HTTPS is a variant of HTTP that promises additional security. This is achieved by encrypting the exchanged data. Encryption is done using SSL (Secure Sockets Layer) or the more modern one Successor TLS (Transport Layer Security), which is why sometimes also there is talk of "HTTP via SSL / TLS". In addition to the encryption of the exchanged data, the reading and To prevent manipulation of this data, HTTPS also ensures a Verification of the legitimacy of the websites visited. This is evidence through a certificate issued by certain inspection bodies that they actually the legitimate website operating under a particular domain that the user wanted to contact and that no one would contact the Has troubled security resources.