Unverified50% confidenceFactExact time
多因素认证（MFA）的常见形式包括手机短信验证码、基于时间的一次性密码应用（如Google Authenticator）、硬件安全密钥（如YubiKey）以及生物特征识别
1
Sources
50%
Confidence
Long-term
Relevance
9/15/2026
First Seen
Sources
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