Legal Templates » data processing addendum Articles tagged: data processing addendum Subscribe Submit an article Why does my company need a Data Processing Addendum (DPA)? A Data Processing Addendum (DPA) is a contract between data controllers and data processors and its main purpose is to protect the user’s data. Will Elton | 01/03/2021 Like what you just read? Subscribe to our newsletter and be the first to hear of the latest Zegal happenings, tips and insights! Please leave this field empty.