This doesn't really help you now (sorry), but maybe it will help others in Germany in your situation. In Germany, there's a 24/7 bank-independent hotline (116

This doesn't really help you now (sorry), but maybe it will help others in Germany in your situation. In Germany, there's a 24/7 bank-independent hotline (116 116) you can call if one of your cards gets stolen/lost or if you suspect problems with online banking. Something similar would certainly be useful for other countries as well.