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Eliminate backdoors


The source code of a system must not perform functions other than those specified in the functional requirements (backdoors).


Sometimes, functionalities other than the ones for which a system was designed are included during development to aid the development and testing processes. These functions often represent backdoors because they leave ports exposed or help in bypassing the authentication and/or authorization mechanisms. Therefore, they should not be part of the production environment, as they could become serious security vulnerabilities.

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