Maritz Holdings Inc., sued Cognizant saying a forensic investigation determined that hackers used Cognizant’s resources in an attack on Maritz’s loyalty program that netted the attackers more than $11 million in fraudulent eGift cards.
https://krebsonsecurity.com/2019/04/wipro-intruders-targeted-other-major-it-firms/
https://krebsonsecurity.com/2019/04/wipro-intruders-targeted-other-major-it-firms/