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failure

📙 CTAL-TM 📗 CTFL

Official ISTQB Definition

An event in which a component or system does not meet its requirements within specified limits during its execution.

3 Ways to Think About It

💡
The Quick Take

When the software actually breaks or does the wrong thing while someone is using it.

🔍
Look Closer

The visible problem a user sees when a defect in the code gets triggered.

🎯
The Bottom Line

Software not doing what it should — the moment a bug causes real trouble.

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