Validation

is the process of performing a set of experiments that establish the efficacy and reliability of a technique or procedure or modification thereof. Validation includes specification of the requirements, determination of the characteristics of the methods, a check that the requirements can be fulfilled by using the method and a statement on the validity.

Confirmation that the processes and outputs from a test resource parallel real world processes and are realistically sensitive to change in the environment, tactical situation, system design, tactics, and threat.

The process of demonstrating that the system under consideration meets in all respects the specification of that system.

1. Tests to determine whether an implemented system fulfills its requirements. 2. The checking of data for correctness or for compliance with applicable standards, rules, and conventions. 3. [The] process of applying specialized security test and evaluation procedures, tools, and equipment needed to establish acceptance for joint usage of an information system (IS) by one or more departments or agencies and their contractors. [INFOSEC-99] Note: This action will include, as necessary, final development, evaluation, and testing, preparatory to acceptance by senior security test and evaluation staff specialists. [NIS] 4. In universal personal telecommunications, the process of verifying that a user or terminal is authorized to access UPT services. 5. The checking of a representation of a system or part of a system for conformance with its requirements [CESG]. 6. The process of evaluating a ported application, software, or system to ensure compliance with requirements [POSIX.0].