| Subject | English | Irish |
| comp., MS | Anonymous authentication | fíordheimhniú anaithnid (An authentication mechanism that does not require user accounts and passwords) |
| comp., MS | authentication database | bunachar sonraí fíordheimhnithe (A database on a server that matches user names to passwords) |
| comp., MS | authentication method | modh fíordheimhnithe (The authentication protocol (such as CHAP, PAP, EAP etc) used when authenticating access to resources on a network) |
| comp., MS | authentication page | leathanach fíordheimhnithe (A Web page presented to unauthenticated users logging on to a site requiring authentication with a Web browser) |
| IT | authentication service | seirbhís fíordheimhniúcháin |
| commun. | authentication token | céadchomhartha fíordheimhniúcháin |
| comp., MS | Basic authentication | bun-fhíordheimhniú (An authentication mechanism that is supported by most browsers, including Internet Explorer, and encodes (but does not encrypt) user name and password data before transmitting it over the network) |
| dat.proc., life.sc. | biometric authentication | fíordheimhniú bithmhéadrach |
| dat.proc., life.sc. | biometric authentication | fíorú bithmhéadrach |
| bank., dat.proc. | Chip Authentication Programme | an Clár Fíordheimhnithe Slise |
| comp., MS | Digest authentication | fíordheimhniú coimriúcháin (An authentication method that prompts the user for a user name and a password, also called credentials, which are hashed with other data before being transmitted over the network. Digest authentication is available only on domains that have domain controllers that are running Microsoft Windows Server operating systems) |
| comp., MS | distributed password authentication | fíordheimhniú pasfhocail dáilte (An advanced, distributed method of user authentication from Microsoft, allowing for single user log-on) |
| law, commun., IT | e-authentication | fíordheimhniú |
| law, commun., IT | electronic authentication | fíordheimhniú |
| comp., MS | Integrated Windows authentication | fíordheimhniú comhtháite Windows (A configuration setting that enables negotiation of authentication protocols in Internet Information Services (IIS)) |
| comp., MS | Kerberos authentication | fíordheimhniú Kerberos (An authentication protocol that provides a mechanism for mutual authentication between a client and a server, or between one server and another, before a network connection is opened between them) |
| law, commun., IT | online authentication | fíordheimhniú |
| commun., IT | qualified certificate for website authentication | deimhniú cáilithe le haghaidh fíordheimhniú suímh ghréasáin |
| comp., MS | ticketing authentication | fíordheimhniú ticéadaithe (An authentication method where a Kerberos authentication server grants a ticket in response to a client computer authentication request that contains valid user credentials. The client computer then uses the ticket to access network resources) |
| comp., MS | trusted authentication | fíordheimhniú iontaofa (A mechanism whereby a user account or a process account can be used to perform operations on behalf of the current user) |