NTT DATA Group Corporation Email Security Enhancement

This document is a customer story detailing how NTT DATA Group Corporation has implemented Proofpoint's email security solutions to bolster its global communication infrastructure. The objective of the initiative is to enhance security against increasing email threats while standardizing the email address domain to strengthen brand recognition. The organization, which handles approximately 6.5 million emails daily, faced challenges from rapid growth and inconsistent brand presence overseas. To address these issues, NTT DATA selected Proofpoint Email Protection and associated services to secure its Microsoft 365 mail system, ensuring that email threats are effectively managed. The deployment has stabilized domain changes and improved security measures across its global operations. The document further outlines the layered approach to email security, emphasizing the importance of training employees in recognizing threats and responding appropriately. NTT DATA aims to use the knowledge gained from this experience to assist other companies in similar situations, particularly in navigating emerging threats like those posed by generative AI technologies.