No they don't. American credit cards handle it the right way already with minimal technology around security. Make a good-faith attempt to validate, but general

No they don't. American credit cards handle it the right way already with minimal technology around security. Make a good-faith attempt to validate, but generally treat the transaction as legitimate. If it was not, help law enforcement investigate, and make the compromised party whole as a cost of doing business. Bonus points if you can extort that last part from your vendor in the contract you have with them.