Chapter 4 – Test Techniques
Error Handling Testing – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
Testing focused on how a system responds to invalid inputs, unexpected conditions, and failures.
In simple words
Verifying that errors produce useful, safe, and consistent behaviour.
Exam tip
Good error handling is a security control too — leaks come from bad errors.
Related terms
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