| Subject | English | Portuguese |
| gen. | Bulgarian State Security Service | serviços secretos búlgaros |
| immigr. | European Maritime Security Services | Serviços Europeus de Segurança Marítima |
| gen. | Federal Security Service | Serviço Federal de Segurança |
| gen. | Federal Security Service of the Russian Federation | Serviço Federal de Segurança |
| gen. | General Security Services | Serviços de Segurança Gerais |
| gen. | General Security Services | Serviço de Segurança do Estado |
| comp., MS | Generic Security Services Application Programming Interface | Interface Genérica de Programação de Aplicações de Serviços de Segurança (A generic API for performing client-server authentication that can be implemented over any authentication system. GSS-API makes it possible for applications to use the same API with different authentication mechanisms) |
| gen. | Information and Security Service | Serviço de Informações e Segurança |
| nucl.phys. | International Nuclear Security Advisory Service | Serviço Consultivo Internacional para a Segurança Nuclear |
| comp., MS, Braz. | Local Security Authority Subsystem Service | serviço LSASS (An interface for managing local security, domain authentication, and Active Directory processes. It handles authentication for the client and for the server. It also contains features that are used to support Active Directory utilities) |
| comp., MS | Local Security Authority Subsystem Service | Serviço de Subsistema de Autoridade de Segurança Local (An interface for managing local security, domain authentication, and Active Directory processes. It handles authentication for the client and for the server. It also contains features that are used to support Active Directory utilities) |
| law | National Service of Popular Security | Serviço Nacional de Segurança Popular |
| gen. | Presidential Security Service | Serviço de Guarda Presidencial |
| gen. | Security and Intelligence Service | Serviço de Informações de Segurança |
| patents. | security guard services | serviços de guardas de segurança |
| gen. | Security Information Service | serviço noticioso checo |
| gen. | security service | serviço de segurança |
| econ. | security services | segurança e vigilância |
| patents. | security services | serviços de segurança |
| IMF. | Security Services Division | Divisão de Serviços de Segurança |
| patents. | security services relating to valuables | serviços de segurança relacionados com valores |
| ed. | security services worker | trabalhador dos serviços de segurança |
| comp., MS, Braz. | security token service | serviço de token de segurança (A Web service that issues security tokens. A security token service makes assertions based on evidence that it trusts to whoever trusts it. To communicate trust, this service requires proof, such as a security token or set of security tokens, and it issues a security token with its own trust statement. (Note that for some security token formats, this can simply be a reissuance or cosignature) In Active Directory Federation Services (ADFS), the Federation Service is a security token service) |
| comp., MS | security token service | serviço de tokens de segurança (A Web service that issues security tokens. A security token service makes assertions based on evidence that it trusts to whoever trusts it. To communicate trust, this service requires proof, such as a security token or set of security tokens, and it issues a security token with its own trust statement. (Note that for some security token formats, this can simply be a reissuance or cosignature) In Active Directory Federation Services (ADFS), the Federation Service is a security token service) |
| el. | service security | segurança de serviço |
| el. | service security | segurança de alimentação |
| fin. | servicing of securities | regularizacão de títulos |
| law | Swedish security service | Polícia Secreta da Suécia |
| gen. | Ukrainian security service | serviços de segurança ucranianos |
| comp., MS, Braz. | Web Services Security | especificação Web Services Security (A series of specifications that describe how to attach signature and encryption headers to Simple Object Access Protocol (SOAP) messages. In addition, WS-Security describes how to attach security tokens, including binary security tokens such as X.509 certificates and Kerberos tickets, to messages. In Active Directory Federation Services (ADFS), WS-Security is used when Kerberos signs security tokens) |