When the bank flags it as a possible compromise, they probably don't. Different banks probably have different procedures, but when my wife's debit card was com

When the bank flags it as a possible compromise, they probably don't. Different banks probably have different procedures, but when my wife's debit card was compromised recently, they asked her if she had contacted the merchant- she had not, as she didn't even know who they were. After she explained that, they proceeded to process her claim, but they did check.