A robust Authentication as a Service platform offers two key functions: multi-layered authentication (e.g. phone number format, country, and validity check) and a cascading verification flow, to ensure you’re maximizing security (and decreasing costs).

Here’s how each one works.

Authentication – The first step in ‘Authentication as a Service’ 

The first step a user takes when registering on your website or app is to provide an email address or telephone number at registration. This is where your user system makes its first security check – authenticating the phone number or email.

More info: Analytical Skills