Email server breach at Epsilon Interactive exposed the names and email addresses of millions of people. The biggest concern is that the stolen email addresses will be used by the intruders to launch sophisticated and targeted phishing attacks. Epsilon provides email and customer loyalty services to more than 2,500 corporations, including seven out of the top 10 Fortune 100 companies. The company touts itself as the world’s largest permission-based email marketing provider and is believed to store more than 250 million email addresses.”]
Source: https://www.csoonline.com/article/2127970/faq–epsilon-email-breach.html