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Authentication (from Greek: αὐθεντικός authentikos, "real, genuine", from αὐθέντης authentes, "author") is the act of proving an assertion, such as the identity of a computer system user. In contrast with identification, the act of indicating a person or thing's identity, authentication is the process of verifying that ...
AAA (computer security) AAA refers to Authentication (to prove identity), Authorization (to give permission) and Accounting (to log an audit trail). It is a framework used to control and track access within a computer network. Common network protocols providing this functionality include TACACS+, RADIUS, [1] and Diameter.
Authentication and authorization infrastructure. Authentication and authorization infrastructure ( AAI) refers to a service and a procedure that enables members of different institutions to access protected information that is distributed on different web servers. Traditional approaches to authorization and access control in computer systems ...
Authentication protocol. An authentication protocol is a type of computer communications protocol or cryptographic protocol specifically designed for transfer of authentication data between two entities. It allows the receiving entity to authenticate the connecting entity (e.g. Client connecting to a Server) as well as authenticate itself to ...
Authorization is the responsibility of an authority, such as a department manager, within the application domain, but is often delegated to a custodian such as a system administrator. Authorizations are expressed as access policies in some types of "policy definition application", e.g. in the form of an access control list or a capability, or a ...
Security Assertion Markup Language. Security Assertion Markup Language ( SAML, pronounced SAM-el, / ˈsæməl /) [1] is an open standard for exchanging authentication and authorization data between parties, in particular, between an identity provider and a service provider.
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.
Add an extra security step to sign into your account with 2-step verification. Find out how to turn on 2-step verification and receive a verification code, and how to turn off 2-step verification if you need to.
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