Wife is with Optus, rec their email stating some of her information had been accessed, spent two hours yesterday changing every conceivable password. SA govt is allowing Optus clients who have been affected to change their licensing details free of charge, wife went to Services SA today and they were fantastic, before opening she was number 569 in the line, less than an hour later she was home, all done. Fantastic.
Auto payments changed and two factor authentications used wherever possible.