| Subject | English | Portuguese |
| comp., MS, Braz. | client authentication | autenticação de cliente (A method of authentication by which the client in a client-server communication proves its identity to the server) |
| comp., MS | client authentication certificate | certificado de autenticação de cliente (In AD FS, a certificate that federation server proxies use to authenticate a client to the Federation Service) |
| comp., MS, Braz. | SSL client certificate mapping authentication | autenticação de mapeamento de certificado de cliente SSL (A method of authentication where certificates are used on the client and a mapping is made on the server (or possibly on the Active directory domain controller) to determine which client certificates should be allowed access to the site) |