Multi-Factor Authentication (MFA) was developed as a more advanced version of 2FA. In reality, an MFA deployment is very similar to 2FA as users are asked to enter their username, and then a method is evoked to verify the identity. In most cases, these step-up authentication methods are an OTP or SMS. But the security of SMS and OTP is directly dependent on the safety of the receiving device, and just like the device, the OTP may be vulnerable to physical attacks.

Read here how The 1Kosmos BlockID platform helps organizations transform how they currently manage identity and access requirements to provide secure remote access.