You read this week about the "biggest hack" in history, which affected the saudi aramco oil company. attackers managed to wipe/destroy 35,000 computers in just hours, leaving the huge oil company with nothing better than 1970's technology to run their business. how did the hackers break into the company's computer systems?

Mastercard managers are motivated to increase (1) the number of individuals who have and use a mastercard credit card, (2) the number of banks and other clents who issue mastercards to customers and/or employees, and (3) the number of locations that accept mastercard payments. discuss how mastercard could use its data warehouse to it expand each of these customer bases.