Thanks to the rise of digital channels, brands now possess large amounts of personal data on their customers. Often this is used to provide a better, more personalized service that better meets consumer needs. However, protecting this sensitive information is obviously vital if brands are to build consumer trust, meet regulatory requirements, protect their brand and retain customers. As cases such as the recent hack at Equifax demonstrate, security breaches are extremely costly to reputation, stock price and in legal terms.
https://www.eptica.com/blog/importance-security-and-gdpr-digital-customer-experience/