Question

What specific privacy engineering technique is used to ensure that only the absolute minimum amount of data required for a business purpose is stored?

Accepted Answer

The specific privacy engineering technique used to ensure that only the absolute minimum amount of data required for a business purpose is stored is called data minimization. Data minimization is a core principle of privacy by design that requires organizations to limit the collection, retention, and processing of personal data to only what is strictly necessary to achieve a stated and legitimate business objective. This process involves three main phases. First, an organization defines the specific purpose for which data is required. Second, it identifies the narrowest set of data attributes needed to fulfill that purpose. For example, if a company only needs to verify a customer is over eighteen, it collects a birth year rather than a full date of birth. Third, the organization implements technical controls to prevent the collection or retention of extraneous information. This includes purging data that is no longer needed, using anonymization to strip away identifying details, and applying access controls that restrict data usage. By adhering to data minimization, organizations reduce the risk of harm to individuals in the event of a data breach and ensure compliance with major privacy regulations like the GDPR.

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What specific privacy engineering technique is used to ensure that only the absolute minimum amount of data required for a business purpose is stored?