Chapter 2 – Testing Throughout the SDLC
Impact Analysis – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
The identification of all work products affected by a change, including an estimate of the resources needed to accomplish the change.
In simple words
Before making a change, work out what else it will touch so you can plan tests and effort.
Exam tip
Impact analysis scopes regression and maintenance testing — expect exam questions in Chapter 2.
Related terms
- Maintenance TestingTesting done after go-live — patches, upgrades, migrations, retirements — to keep the running product safe.
- Regression TestingAfter any change — bug fix, new feature, config update — you re-run existing tests to make sure nothing that used to work has broken.
- TraceabilityBeing able to prove which tests cover which requirement, story or risk — both ways.
Practice this term in the ISTQB Mock Test
40 CTFL v4.0 questions, 60-minute timer, instant scoring and chapter-wise breakdown.
Practice in Mock Test