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  2. Online authorisation - Wikipedia

    en.wikipedia.org/wiki/Online_authorisation

    Online Authorization (OLA) is a system used to verify a transaction on a payment card (e.g. credit card). [1] The term 'on-line' refers to the real-time nature of the verification. In other words, if the account is overdrawn, in most cases, the transaction will be refused.

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    help.aol.com

    Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.

  4. Electronic authentication - Wikipedia

    en.wikipedia.org/wiki/Electronic_authentication

    Electronic authentication is the process of establishing confidence in user identities electronically presented to an information system. [1] Digital authentication, or e-authentication, may be used synonymously when referring to the authentication process that confirms or certifies a person's identity and works.

  5. ISO 18245 - Wikipedia

    en.wikipedia.org/wiki/ISO_18245

    Corporations can then control which MCCs their employees may use their corporate cards at, and this is enforced through the authorization system. They are four digits in length. For example, MCC 5967 represents "Inbound telemarketing merchants." New MCCs can be applied for through TC68. They are generally reserved for merchant categories having ...

  6. Computer access control - Wikipedia

    en.wikipedia.org/wiki/Computer_access_control

    In computer security, general access control includes identification, authorization, authentication, access approval, and audit.A more narrow definition of access control would cover only access approval, whereby the system makes a decision to grant or reject an access request from an already authenticated subject, based on what the subject is authorized to access.

  7. Address verification service - Wikipedia

    en.wikipedia.org/wiki/Address_verification_service

    AVS is done as part of the merchant's request for authorization in a non-face-to-face credit card transaction. The credit card company or issuing bank automatically checks the billing address provided by the customer to the merchant against the billing address in its records, and reports back to the merchant who has the ultimate responsibility ...

  8. Authorization - Wikipedia

    en.wikipedia.org/wiki/Authorization

    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 ...

  9. OAuth - Wikipedia

    en.wikipedia.org/wiki/OAuth

    OAuth is an authorization protocol, rather than an authentication protocol. Using OAuth on its own as an authentication method may be referred to as pseudo-authentication. [ 26 ] The following diagrams highlight the differences between using OpenID (specifically designed as an authentication protocol) and OAuth for authorization.