As the name already suggests, the mTAN process uses the public mobile telephone network in addition to the Internet as an additional communication channel, something which will hamper attempts at …

In addition to your password, the Photo TAN process also uses a smartphone app or a specific reader. These are employed to record and encrypt optical information displayed on your log-in page.

With the Chip TAN process, customers will not only need their personal access data, but also a card reader and their bank card which make up the second authentification factor here.

For the Push TAN process, customers need a password or PIN and a smartphone with the app of the financial institution specifically meant for this purpose installed. Push notifications will then be …

Special SIM cards enable secure processing of encrypted messages when logging into e-banking facilities.