In the last few weeks, several disturbing incidents centred around the Aadhaar database have established the scope for widespread data leakage. First, a technology start-up that calls itself an Aadhaar-enabled “trust bureau” seemed to demonstrate that it could identify faces singled out from closed-circuit television footage of a crowded street — Aadhaar data was superimposed on photos (with specific fields blanked). This firm is one of the many that offer services such as identity checks, PAN verification, police record checks and employment history generation by linking an individual’s data to his 12-digit Aadhaar number. Another website filtered, compiled and published