What is the goal of privacy enhancing technologies (PETS) like multiparty computation and differential privacy?

What is the goal of privacy enhancing technologies (PETS) like multiparty computation and differential privacy?
A . To facilitate audits of third party vendors.
B. To protect sensitive data while maintaining its utility.
C. To standardize privacy activities across organizational groups.
D. To protect the security perimeter and the data items themselves.

Answer: B

Explanation:

Reference: https://royalsociety.org/-/media/policy/projects/privacy-enhancing-technologies/privacy-report-summary.pdf