How does multi-factor authentication improve online security? How does it protect accounts from unauthorized access?
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How does multi-factor authentication improve online security? How does it protect accounts from unauthorized access?
Multi-factor authentication (MFA) improves online security by requiring users to provide two or more different factors to verify their identity before being granted access to an account. This can include something a user knows (like a password), something they have (like a mobile phone for receiving SMS codes), or something they are (like a fingerprint or facial recognition).
By using multiple factors, MFA adds an extra layer of security beyond just a username and password. This makes it much harder for unauthorized individuals to access an account, even if they manage to obtain one of the factors (such as a password). Attackers would need to have both the physical device or information and the correct credentials to successfully log in.
Overall, MFA significantly reduces the risk of unauthorized access to online accounts and helps protect sensitive information from being compromised.