ti&m secure web turns your smartphone into a two-factor authenticator. ti&m secure web complements classic two-factor authentication by additionally verifying your identity on your smartphone using a cryptographic process. The user-friendly registration and authentication processes use asymmetric key material and back-channel communication. Scan a QR code to register. Log in directly through the app using push notifications or QR codes. The key material is verified by fingerprint, Face ID, your system PIN or an app-specific PIN. ti&m secure web also features a transaction signature, securely transmitting transaction data of up to 1 MB.