This happened to me as well, but for only 20chf. After complaining quite a bit, I got the charges reversed. I think someone was reusing or guessing virtual card numbers, the best solution is to disable that completely.
This happened to me as well, but for only 20chf. After complaining quite a bit, I got the charges reversed. I think someone was reusing or guessing virtual card numbers, the best solution is to disable that completely.