two-factor authentication
Two-Step Verification (2SV) is a type of authentication that uses two ways of authentication, whereas Two-Factor Authentication (2FA) is a type of authentication that uses two ways of authentication that are of a different type.
We advise all users to always use a strong password and to enable two-step verification.
In Estonia people are required to use two-step verification for many online tasks.
Financial security procedures should include a two-step verification process for wire transfer payments.

SMART Vocabulary: related words and phrases

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2SV
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Paying money