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Risk Level

Risk level is the overall significance of a risk, typically determined by combining its likelihood of occurrence and potential impact.

Official definition
ISTQB Official Glossary Definition
The measure of a risk defined by risk impact and risk likelihood.

(Definition reproduced from the ISTQB Glossary. Copyright belongs to ISTQB.)

View the complete ISTQB Glossary

What is Risk Level?

Risk level helps organizations prioritize which risks require immediate attention and which can be accepted or monitored.

Combined assessment: Based on likelihood and impact.

Prioritization: Higher-risk items receive greater attention.

Decision support: Guides mitigation and testing activities.

Real World Example

A regulated product team is preparing a release where Risk level appears in reviews, test design conversations, or defect triage rather than as an isolated glossary word.

The risk is that the team treats Risk level as interchangeable with nearby ISTQB terms. That makes test scope blurry and can lead to weak evidence for the release decision.

The tester anchors the discussion in the official definition, asks where the concept appears in the product, and designs examples that show the difference between Risk level and similar ideas.

The page becomes useful in practice because Risk level is connected to a specific testing decision, not memorized as a detached definition.

Practice Questions

Question 1

Which statement BEST describes Risk level in the context of ISTQB terminology?

Question 2

A tester needs to explain Risk level to a non‑technical stakeholder. Which approach is MOST appropriate?

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