Flash Call - confirmation code in the telephone number
A secure way to authenticate users by retrieving a password through an incoming call
How Flash Call works
The client is requested a test code, within a few seconds his phone receives a call from the number, the last digits of which are the test code. Next, the user enters the code into the authorization window or calls it the seller.
Where used
- When registering on sites or in applications
- With two-factor authentication, when at the login, in addition to the main password, you need to enter an additional password
- Obtaining one-time access without registration
- On Password Recovery
- When shopping online or offline
Algorithm of operation
The last 4 digits of the number from which the call comes are the code
When a code is requested, the number specified by the client immediately receives a call
1
During dialing, the client sees the last 4 digits of the number - code
2
The client enters the received code into the form on the site or in the application
3
The system receives the code and activates the further use of the service
4