Aggregated data provides a false sense of security
Accessing personal data comes at a risk to privacy, and there are many unfortunate examples of harm coming to individuals diagnosed with COVID-19.
One common refrain we’re hearing is to “aggregate” data to make it safe for sharing or release. Although aggregation may seem like a simple approach to creating safe outputs from data, it is fraught with hazards and pitfalls. Like so many things in our profession, the answer to the question of whether aggregation is safe is “it depends.”
Full article: Aggregated data provides a false sense of security