The use of multiple authentication factors to prove one's identity is based on the premise that an unauthorized actor is unlikely to be able to supply the factors required for access. For additional security, the resource may require more than one factor-multi-factor authentication, or two-factor authentication in cases where exactly two pieces of evidence are to be supplied. Simple authentication requires only one such piece of evidence (factor), typically a password. The resource requires the user to supply the identity by which the user is known to the resource, along with evidence of the authenticity of the user's claim to that identity. MFA protects personal data-which may include personal identification or financial assets-from being accessed by an unauthorized third party that may have been able to discover, for example, a single password.Ī third-party authenticator (TPA) app enables two-factor authentication, usually by showing a randomly generated and frequently changing code to use for authentication.Īuthentication takes place when someone tries to log into a computer resource (such as a computer network, device, or application). Multi-factor authentication ( MFA two-factor authentication, or 2FA, along with similar terms) is an electronic authentication method in which a user is granted access to a website or application only after successfully presenting two or more pieces of evidence (or factors) to an authentication mechanism. Security information and event management (SIEM).Host-based intrusion detection system (HIDS).( Learn how and when to remove this template message) JSTOR ( January 2021) ( Learn how and when to remove this template message).Unsourced material may be challenged and removed.įind sources: "Multi-factor authentication" – news Please help improve this article by adding citations to reliable sources. This article needs additional citations for verification.
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