a cyber attack that has already compromised 40 million target customers and the information of up to 70 million more. >> many other retailers could have potentially been breached, that number could double in the next couple weeks. >> according to a security firm, many retail organizations may not know that they've been infected. this software contains a new kind of attack method that is able to covertly subvert network controls concealing all data transfers. >> it's an unknown exploit. >> they called the code, kaptoxa. according to the wall street journal, parts of the program have been on the internet's black market for weeks. the paper added that unnamed u.s. officials say, these details suggest the attack may