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Authentication Factors

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Authentication Factors

taxonomy

Classification Objective

The objective of this classification is to inventory, characterize and compare authentication factors.

Classification

Item

Alternative Forms

Definition

Strengths

Weaknesses

Sources

Something I Know

Password

Something I Have

SMS One-Time Passcode

  • Not tied to device crypto keys, thus easier to recover from device loss

  • Requires network connectivity

  • Insecure

Jover, 2020

Software App One-Time Passcode

Hardware Token One-Time Passcode

Something I Am

  • No labels

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