The 2021 State of the Auth Report: 2FA Climbs, While Password Managers and Biometrics Trend
Duo's Security Blog
SEPTEMBER 14, 2021
Adoption of two-factor authentication has substantially increased since we began conducting this research in 2017. SMS Text Message Remains the Most Used Authentication Method SMS (85%) continues to be the most common second factor that respondents with 2FA experience have used, slightly up from in 2019 (72%).
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