The cost could be more when you take into account the hidden costs. Can this be measured?
TalkTalk has revealed that the October data breach has cost the firm up to £60 million, including exception losses. However revenue increased 1.8 percent during the final quarter of the year from October through December 2015. According to TalkTalk's first financial report of 2016, an estimated 101,000 customers left the company following the hack.