https://consumerist.com/2017/09/14/lets-not-forget-that-equifax-hackers-also-stole-200k-credit-card-numbers/

We’re constantly learning new things about the massive Equifax data breach, including its actual cause, that it affected people all over the world, and that the Federal Trade Commission is investigating. Let’s back up, though, and remember something important: Along with the millions of Social Security and driver’s license numbers, 200,000 customer credit card numbers were taken too.

Krebs on Security obtained a confidential alert that Visa and MasterCard sent to financial institutions, and the alert is pretty specific.