What is robust Authentication

Certificates are associated with security mechanisms to control their use and are based on different layers of protection: something the person knows or inherent to the user. These identification procedures are known as authentication factors.

To be considered robust authentication at least two authentication factors are required:

Something the user ”knows” (password).

Something the user may ”possess” (key card, SMS Token, OTP Token).

Something the user ”makes or is” (signature, voice-over, fingerprint, iris or any other biometric factors).

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