שאלה | A pharmaceutical company shares a dataset with hospitals for research. The dataset is anonymized, grouping patients by age, city, and disease. However, in one city, all patients within a specific age range (50-60) have the same disease: HIV. A health insurance company analyzing this data determines that anyone aged 50-60 from that city is likely HIV-positive. Which anonymization principle was violated?

A pharmaceutical company shares a dataset with hospitals for research. The dataset is anonymized, grouping patients by age, city, and disease. However, in one city, all patients within a specific age range (50-60) have the same disease: HIV. A health insurance company analyzing this data determines that anyone aged 50-60 from that city is likely HIV-positive. Which anonymization principle was violated?

		K-Anonymity – The dataset contained too few individuals in each group.
		L-Diversity – The dataset lacked variety in the sensitive attribute (disease).
		T-Closeness – The distribution of sensitive attributes did not match the general population.
		Differential Privacy – The dataset did not include enough noise.

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