A challenge-question displayed in the authentication form on the website



The mobile application E-NUM receives a PUSH-confirmation and displays the only correct challenge-response



After clicking "Send challenge-response" in the mobile application E-NUM or entering the challenge-response on the form by yourself you will be authenticated!



Services for websites owners


Active users of E-NUM: 12,339,749


Activate E-NUM to authorize users on your website




More info