Fastway in serious trouble - payment system compromised

I tried to report a ***** issue this morning by phone, but the person who answered my call has no phone etiquette, and we got cut off. Trying to call again was unsuccessful - apparently Fastway has 'technical difficulties', that I assume relates to similar *****ulent transactions being reported. The WhatsApp line is also not responding in any meaningful way to my plea for assistance.

My TEMU parcel is on hold pending customs payment (Value: 87.93 Rand). When i clicked on the link to pay, in the meail sent by Fastway (!) it lead to the normal process for paying the duties, but once the link is accepted, I got several requests on my banking app to approve the transaction. I accepted more than once, as i thought there might have been a miscommunication. This led to the amount of R4342.24 being deducted from my credit card account. The transaction is still pending, but I have spoken to the Bank and will cancel if it goes through.

I am unable to contact Fastway and report this issue. Can I get any type of response from Fastway on how the payment link can be safeguarded, so that custom duties can be paid?

Kind regards,