| Subject | English | Spanish |
| law, fin. | business secret | secreto comercial |
| law, fin. | business secret | secreto industrial |
| law, fin. | business secret | secreto en materia comercial |
| commer., polit. | business secret | secreto empresarial |
| patents. | business secret | secreto de producción |
| polit. | central TRES SECRET UE/EU TOP SECRET registry | registro central TRÈS SECRET UE/EU TOP SECRET |
| comp., MS | client secret | secreto de cliente (Part of the code that allows Open Authorization (OAuth). Client secrets are linked to client IDs. You can have multiple client secrets linked to a single Client ID) |
| lab.law. | consultation of the workers involved by means of a secret ballot | consulta por voto secreto del personal interesado afectado |
| polit. | COSMIC Top Secret | Cosmic Top Secret |
| gen. | direct, secret and universal ballot | sufragio universal, directo y secreto |
| patents. | duty of keeping the invention secret | obligación de mantener la invención en secreto |
| law | EC-secret | CE-secreto |
| patents. | economical detriment of the employee because of keeping the employee's invention secret | perjuicio económico del empleado a causa del mantenimiento de la invención del empleado en secreto |
| law | EC-top secret | CE-muy secreto |
| IT | election shall be by secret ballot | las elecciones se celebran mediante votación secreta |
| law | electronic secret voting | votación secreta por procedimiento electrónico |
| law | electronic secret voting procedure | votación secreta por procedimiento electrónico |
| patents. | entrust an invention kept secret to smb. | comunicar una invención ocultada a alguien |
| gen. | equal, free and secret ballot | sufragio universal, directo, igual para todos, libre y secreto |
| IT, engl. | EU SECRET | SECRET UE/EU SECRET |
| gen. | EU Top Secret Registry | Registro EU TOP SECRET |
| gen. | French Secret Service | Dirección General de Seguridad Exterior |
| econ. | industrial secret | secreto industrial |
| patents. | invention which is a works secret | invención que representa un secreto de producción |
| gen. | Italian secret service | servicio secreto militar |
| gen. | Italian secret service | Servicio para la Información y la Seguridad Militar |
| patents. | keep secret | mantener secreto |
| patents. | manufacturing and business secrets | secretos de fabricación y de negocios |
| comp., MS | master secret | secreto maestro (A security key generated by the master secret server when an Enterprise Single Sign-On (SSO) Administrator requests it. This secret key is stored in the registry as a Local Security Authority (LSA) secret on the master secret server. Only SSO Administrators can access this secret key) |
| comp., MS | master secret server | servidor de secreto maestro (A protocol server that stores and can provide a master secret in response to a request from a protocol client) |
| econ. | military secret | secreto militar |
| patents. | necessity of keeping the invention secret | necesidad de mantener la invención en secreto |
| patents. | official secret | secreto profesional |
| law | Official Secrets Act | Ley de Secretos Oficiales |
| econ. | professional secret | secreto profesional |
| law | receipt of copies of secret or confidential documents | traslado de documentos secretos o confidenciales |
| patents. | refusal to disclose secret matters | rehusamiento de revelar secretos |
| patents. | reincorporate a secret design in the envelope | reincorporar un dibujo secreto al sobre |
| gen. | request for a secret ballot | petición de votación secreta |
| cinema | secret agent | agente secreto |
| comp., MS | secret answer | respuesta secreta (An answer that only the user knows for a specific question. The answer is used to confirm someone's identity if they forget their password) |
| gen. | Secret Anti-Communist Army | Ejército Secreto Anticomunista |
| patents. | secret application | solicitud secreta |
| gen. | Secret Army Organisation | Organización del Ejército Secreto |
| polit. | secret ballot | votación secreta |
| econ. | secret ballot | voto secreto |
| nautic. | secret block | motón de cuerpo cerrado |
| comp., MS | secret chat room | salón de chat secreto (In the Lync persistent chat feature, a room that has been set up with the most restricted level of privacy. Only members of a secret chat room can find it, see who is participating in it, follow it, or read and post in it) |
| proced.law. | secret childbirth | parto anónimo |
| law | secret deliberation | deliberación secreta |
| patents. | secret design | dibujo secreto |
| h.rghts.act. | secret detention | detención secreta |
| law, fin. | secret distribution | remuneración oculta |
| polit., law | secret document | documento secreto |
| life.sc. | secret extra-EUR 12 countries | países secretos extra-EUR 12 |
| gen. | Secret Intelligence Service | Servicio de Inteligencia Secreto |
| life.sc. | secret intra-EUR 12 countries | países secretos intra-EUR 12 |
| commun., IT | secret key | clave secreta |
| commun., IT | secret key | clave privada |
| comp., MS | secret key | clave secreta (A symmetric encryption key shared by two entities, such as between a user and the domain controller (DC), with a long lifetime. A password is a common example of a secret key. When used in a context that implies Kerberos only, a principal's secret key) |
| comp., MS | secret key encryption | cifrado de clave secreta (An encryption algorithm that requires the same secret key to be used for both encryption and decryption. Because of its speed, symmetric encryption is typically used when a message sender needs to encrypt large amounts of data) |
| commun. | secret language | lenguaje secreto |
| proced.law. | secret marriage | matrimonio secreto |
| proced.law. | secret marriage | matrimonio de conciencia |
| IT | secret parameter | parámetro secreto |
| patents. | secret patent | patente secreta |
| law | secret postal ballot | votación secreta por correo |
| patents. | secret procedure | procedimiento secreto |
| gen. | secret protection | protección secreta |
| econ. | secret reserve | reserva latente |
| econ. | secret reserve | reserva oculta |
| labor.org., account. | secret reserves | reservas fijas |
| USA | secret Service | Policía Secreta |
| econ. | secret service | servicio secreto |
| tech. | secret Service | Servicio de Inteligencia |
| econ. | secret society | sociedad secreta |
| law | secret trust | fideicomiso secreto |
| IT, engl. | SECRET UE/EU SECRET | SECRET UE/EU SECRET |
| law | secret voting by ballot papers | votación secreta por papeletas |
| law | secret voting by roll call by black and white balls | votación nominal secreta por bolas blancas y negras |
| IT | secret zone | zona secreta |
| econ. | State secret | secreto de Estado |
| patents. | the invention requires to be kept secret | la invención debe ser mantenido en secreto |
| gen. | This frog secret irritants through the skin | Esta rana secreta sustancias irritantes a través de la piel |
| tech. | top secret | secreto máximo |
| tech. | top secret | ultrasecreto |
| gen. | top secret | muy secreto |
| IT | trade secret | secreto comercial |
| law | trade secret | secreto de fabricación o comercial |
| patents. | trade secret | secreto profesional |
| IT, engl. | TRÈS SECRET UE/EU TOP SECRET | TRÈS SECRET UE/EU TOP SECRET |
| gen. | to vote on amendments by secret ballot | pronunciarse mediante votación secreta sobre las enmiendas |
| polit. | voting by secret ballot | votación secreta |
| patents. | works secret | secreto de producción |