The magnetic track data was compromised, which means once the data trickles back through the black market crooks can write the cards back out and use them as ca

The magnetic track data was compromised, which means once the data trickles back through the black market crooks can write the cards back out and use them as card-present. Definitely harder than sitting around ordering things online, but there's no reason to need the CSC to use the data they stole.