Unverified50% confidenceFactExact time
Two-factor authentication (2FA) requires a second verification factor (such as an SMS code or hardware key) in addition to a password when logging into an account, and can effectively reduce the risk of account theft.
1
Sources
50%
Confidence
Long-term
Relevance
10/18/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedA 2FA login notification allowed the user to detect the abnormal login in time and quickly change critical passwords, preventing greater losses.79% similarUnverifiedThe seller may have bound his own two-factor authentication (2FA) device or backup codes before the sale, and even if the buyer changes the password, the seller may still retain access.71% similarUnverifiedMFA requires users to provide an additional second verification factor when logging in, such as TOTP, a hardware security key, or biometrics.69% similarUnverifiedBy setting up advanced account security (passkeys and security keys), keys can be used in place of phone verification, eliminating dependence on one-time SMS verification numbers.67% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/1062835API
curl https://kongchang.com/api/v1/knowledge/claims/1062835MCP
get_claim(id=1062835)