Virtual Credit Cards (Score 1)

I never use my real credit card number for any online transactions. You don't have any control over your data once give it to the "system". Instead, I use Virtual Credit Cards "VCC". https://en.wikipedia.org/wiki/... These "VCC" have a user configured credit limit, and are good for only transaction. So even if these are stolen/leaked, it doesn't really impact you. My bank typically generates these with a validity of 2 months, so any reverse/cash-backs from the vendor can still use these "VCC" numbers.