Google is now backing a standard proposed by Apple engineers in January to create a default format for one-time passcodes (OTP) sent via SMS to users during the two-factor authentication (2FA ...

Named OTP SMS, this product enhances the SMS-based two-factor authentication (2FA) process by validating mobile numbers in advance and reporting potential errors in real-time.

The application sends an OTP via SMS, known as application-to-person (A2P) verification, and the user enters the code to complete a registration or transaction.

Apple's effort to develop a standardized format for one-time passcodes sent through SMS messages is moving forward with the help of Google engineers, as the proposal this month garnered official ...

No option to opt out of SMS OTP On whether bank customers would have the option to opt out of SMS OTPs, Tharman said that MAS does not currently see the need to require banks to provide such an option ...