Big Data

Secure Outsourcing of Data Analysis

 367

B, and C) in 201X, and the attacker is one of them? A is apparently aware of her salary, and she

learns that the sum of the salaries of B and C amounts to x

B

+ x

c

= 38550 ×3 −x

A

. The disclo-

sure of the response thus causes a certain type of private information leakage. What happens if

the company hired 100 employees in 201X? Is the max query more privacy invasive than the

average query? Intuitively, the larger the database size is, the less the query response becomes

privacy invasive. The max query seems to be more privacy invasive than the average query.

Statistical inference caused by disclosure of statistical ...