SAN ANTONIO--(BUSINESS WIRE)--Digital Defense, Inc. (DDI), a leading provider of managed cloud-based security risk assessments, today announced the appointment of Neil Butchart as Senior Vice President of Global Sales. In his position, Butchart is responsible for business and channel development, strategic alliances and global expansion. Butchart brings more than two decades of technology sales and executive leadership experience. Prior to joining Digital Defense, Butchart held several executiv