Security第 98 / 100 题

Which practice ensures that a critical account remains protected even if its password is exposed in a data breach elsewhere?

a.Reusing the same password across sites
b.Enabling multifactor authentication and using a unique password
c.Writing the password in a shared document
d.Disabling the login screen

解析

A unique password combined with multifactor authentication means a password leaked from another site cannot alone unlock the account. Reusing passwords or sharing them in documents spreads the risk of a single breach.

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