Data minimization has evolved from a regulatory guideline into a strict legal requirement under frameworks like the GDPR and CCPA, compelling organizations to process only the data strictly necessary for defined purposes. This shift mandates a fundamental change in how businesses justify data collection, moving away from broad notices toward precise, purpose-driven assessments that limit information gathering to what is adequate and relevant. The tension between minimizing data and training artificial intelligence highlights the urgent need for "data protection by design," where technical measures like pseudonymization ensure privacy is embedded into systems from the start. As enforcement rises globally, companies must adopt rigorous governance protocols and internal accountability measures, such as appointing system stewards, to navigate complex jurisdictional differences and prevent invasive monitoring practices. This article is vital to open data because it clarifies the legal boundaries of what personal information can be openly shared or reused. It emphasizes that compliance requires limiting data scope at the source, which directly impacts how organizations can responsibly integrate third-party or open datasets into their workflows without violating privacy rights or facing regulatory penalties.

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Published on 2024-05-09