![]() Multi-factor authentication (MFA): Requires users to provide at least two verifiable credentials to access online resources. Two-factor Authentication (2FA): Requires users to provide two verifiable credentials to access online resources. Single-factor Authentication (SFA): Requires users to provide one verifiable credential to access online resources. The number of factors required for each authentication method is reflected in its name: However, financial institutions handle much more sensitive data, such as account balances and payments, so they often require users to provide at least two pieces of verifiable information to access their online accounts. You might not want others to know what you purchased on a particular site, but sensitive information is not at risk. ![]() ![]() ![]() ![]() The number of factors required for users to prove their identities often depends on the sensitivity of the data and digital resources involved.įor example, online retail stores often only require users to provide one piece of verifiable information, such as a password, to access their online accounts. Single-factor, Two-factor, and Multi-factor AuthenticationĪuthentication is the process of determining whether someone or something is, in fact, who or what it says it is. ![]()
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