Fuzz Testing

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Definitions:

Similar to fault injection in that invalid data is input into the application via the environment, or input by one process into another process. Fuzz testing is implemented by tools called fuzzers, which are programs or script that submit some combination of inputs to the test target to reveal how it responds.
Sources:
NIST SP 800-95 from DHS Security in the Software Lifecycle

Glossary Comments

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See NISTIR 7298 Rev. 3 for additional details.