I was refering to "it shows that the banks assume $2.4B in fraud, and push back $50.2B onto merchants. Per year!"
But on the site it says
Sources in the financial sector are calling the breach massive, and say it may involve more than 10 million compromised card numbers.
Sure, maybe it's not true, but maybe the 56k number is a way to hide the truth (a bit like the playstation hack)