Differential Privacy

Color Mixing

Still green, but much harder to find its exact components

Problems with other standard

approaches of data privacy protection

Data Encryption

- advanced computer algorithms can decrypt easily

Anonymize

- ex: a data set includes gender, residence, age, DOB ---> deduce who the data belongs to ---> sensitive data is leaked

^^ linkage attack

Mediated Access

- analysts can ask specific questions to the trusted "curator" to identify who the data belongs to 

Definition

- Learn nothing about an individual but still learning useful information about a population

- Does not embody a specific algorithm