GalleryOn Taxis and Rainbow Tables: Lessons for researchers and governments from NYC’s improperly anonymized taxi logs.
When New York City’s Taxi and Limousine Commission made publicly available 20GB worth of trip and fare logs, many welcomed the vast trove of open data. Unfortunately, prior to being widely shared, the personally identifiable information had not been anonymized properly. Vijay Pandurangan describes the structure of the data, what went wrong with its release, how easy it is to de-anonymize […]
