Akamai MFA uses a smartphone application that transforms existing smartphones into a hardware security key. FIDO2 is the industry standard for delivering secure MFA and is the starting point for passwordless and userless authentication. The solution leverages end-to-end cryptography and a sealed challenge/response flow, allowing enterprises to get the best multi-factor security without additional costs, and provides a simple upgrade path as their authentication needs evolve. The service integrates with identity providers, including Microsoft.
Source: https://www.helpnetsecurity.com/2021/03/18/akamai-mfa/