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Three-factor authentication is a security protocol that requires identity-confirming credentials from three different authentication factors to grant access. The three authentication factors include: 

•Something you have (a physical item such as a token, or card)

•Something you know (a code, password, or pin)

•Something you are (a biometric such as a fingerprint, facial recognition, or retinal scan)


The Arculus Key card is secured with EAL 6+ embedded secure element (which refers to Common Criteria Evaluation Assurance Level 6, an international standard established by commoncriteriaportal.org which is used to evaluate the security implementation in information technology software and hardware).