CyberFactors says the ultimate fee for the data breach could reach as high as $4 billion. The sum includes costs to Epsilon, its customers and individuals whose email addresses were stolen. The figure could be reached if criminals get hold of the email addresses and successfully exploit them. The firm’s more conservative estimate for the cost of the March 30 breach is $637.5 million. That’s in stark contrast to the estimate given by the CEO of Epsilon’s parent company, Alliance Data Systems.”]
Source: https://www.csoonline.com/article/2128430/worst-case-projected-cost-of-epsilon-breach—4b.html