Protection

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Physical protection

Protection of objects

Fire protection, including passive fire protection measures such as physical firewalls and fireproofing, and active fire protection measures, such as fire sprinkler systems.
Waterproofing, though application of surface layers that repel water.
Rot-proofing and rustproofing
Thermal conductivity resistance
Impact resistance
Radiation protection, protection of people and the environment from radiation
Dust resistance
Conservation and restoration of immovable cultural property, including a large number of techniques to preserve sites of historical or archaeological value

Protection of persons

Close protection, physical protection and security from danger of very important persons
Climbing protection, safety measures in climbing
Diplomatic protection
Humanitarian protection, the protection of civilians, in conflict zones and other humanitarian crises
Journalism source protection
Personal protective equipment
Safe sex practices to afford sexual protection against pregnancy and disease, particularly the use of condoms
Executive protection, security measures taken to ensure the safety of important persons
Protection racket, a criminal scheme involving exchanging money from "protection" against violence
Right of asylum, protection for those seeking asylum from persecution by political groups and to ensure safe passage
Workplace or employment retaliation, protecting individuals in the workplace such as from being fired for opposing, aiding and complaining about workplace practices

Protection of systems

Protection of technological systems

Protection of technological systems is often symbolized by the use of a padlock icon, such as "🔒", or a padlock image.

Protection mechanism, in computer science. In computer sciences the separation of protection and security is a design choice. William Wulf has identified protection as a mechanism and security as a policy.^[1]
Power-system protection, in power engineering
A way of encapsulation in object-oriented programming
Copy protection, measures to enforce copyright by preventing the reproduction of software, films, music, and other media.
Write protection, a mechanism that prevents writing, modifying, or erasing data on a device

Protection of ecological systems

Environmental protection, the practice of protecting the natural environment

Protection of social systems

Consumer protection, laws governing sales and credit practices involving the public.
Protectionism, an economic policy of protecting a country's market from competitors.
Protection of rights, with respect to civil and political rights.
Data protection through information privacy measures.
Intellectual property protection.

References

^ Wulf, W.; E. Cohen; W. Corwin; A. Jones; R. Levin; C. Pierson; F. Pollack (June 1974). "HYDRA: the kernel of a multiprocessor operating system" (PDF). Communications of the ACM. 17 (6): 337–345. doi:10.1145/355616.364017. ISSN 0001-0782. S2CID 8011765. Archived from the original (PDF) on 2007-09-26.

[1] Wulf, W.; E. Cohen; W. Corwin; A. Jones; R. Levin; C. Pierson; F. Pollack (June 1974). "HYDRA: the kernel of a multiprocessor operating system" (PDF). Communications of the ACM. 17 (6): 337–345. doi:10.1145/355616.364017. ISSN 0001-0782. S2CID 8011765. Archived from the original (PDF) on 2007-09-26.

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