| Subject | English | Irish |
| 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 |
| bank., dat.proc. | Chip Authentication Programme | an Clár Fíordheimhnithe Slise |