Advanced – Non-Functional Testing
Integrity – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
The degree to which a system prevents unauthorized access to, or modification of, computer programs or data.
In simple words
Data can't be tampered with by unauthorized parties.
Exam tip
Common controls: hashes, signatures, database constraints.
Related terms
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