A soft authentication token is a software-based mechanism-usually an app installed on a user's smartphone, tablet, or computer-that generates one-time authentication codes. Because it exists purely in software on a device the user already owns, it contrasts with hard tokens (physical devices), biometrics (inherent user traits), and digital certificates (used mainly to establish secure sessions rather than generate one-time codes).
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What is the difference between soft tokens and hard tokens in MFA?
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How do one-time authentication codes work in soft tokens?
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Why are soft authentication tokens considered a convenient option for MFA?