S1 PCI and sensitive data

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Lesson S1: What may be stored and what never, masking and truncation, test data, and the PCI standards in a developer's words.

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The opening of the lesson

Why it matters

Card data is a target. A system that stores it or logs it carelessly costs the business its card acceptance, and costs cardholders their money. The PCI standards turn this into rules. Developers decide what their code stores and logs; testers check that it doesn't. This module gives the developer's view, not the full standards.

In the full lesson

The concept
In the real world
Common mistakes
What to test

What module S1 covers →

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