Unverified50% confidenceFactExact time

NIST在其数字身份指南SP 800-63B中推荐将MFA作为保护敏感操作的标准手段

1

Sources

50%

Confidence

Long-term

Relevance

8/5/2026

First Seen

Sources

Complete Guide to Canceling Perplexity Subscriptions: Practical Solutions to Bypass Phone Verification

Related Claims

UnverifiedThe National Institute of Standards and Technology (NIST) lists physical isolation as a foundational requirement for the highest security level (SL-4) in its SP 800-82 Industrial Control Systems Security Guide.71% similar

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