| Subject | English | Welsh |
| comp., MS | Anonymous authentication | Dilysu dienw (An authentication mechanism that does not require user accounts and passwords) |
| comp., MS | authentication database | cronfa ddata dilysu (A database on a server that matches user names to passwords) |
| comp., MS | authentication method | modd dilysu (The authentication protocol (such as CHAP, PAP, EAP etc) used when authenticating access to resources on a network) |
| comp., MS | authentication page | tudalen dilysu (A Web page presented to unauthenticated users logging on to a site requiring authentication with a Web browser) |
| comp., MS | Basic authentication | dilysu sylfaenol (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) |
| comp., MS | certificate authentication | dilysu tystysgrif (A form of IIS authentication in which IIS accepts client-certificates used to prove the client's identity. Using this form of authentication, IIS can optionally map a client certificate to a Windows user account by using an internal mapping table or Active Directory) |
| comp., MS | Digest authentication | dilysu crynhoad (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 | dilysiad un defnyddiwr (An advanced, distributed method of user authentication from Microsoft, allowing for single user log-on) |
| comp., MS | Integrated Windows authentication | dilysu Windows Integredig (A configuration setting that enables negotiation of authentication protocols in Internet Information Services (IIS)) |
| comp., MS | Kerberos authentication | dilysu 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) |
| comp., MS | plaintext authentication | dilysu testun plaen (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) |
| comp., MS | ticketing authentication | dilysu tocyn (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 | dilysu cymeradwy (A mechanism whereby a user account or a process account can be used to perform operations on behalf of the current user) |