https://www.citizensadvice.org.uk/cymraeg/Defnyddwyr/scams/Rhoi-gwybod-am-sgam/
Rhoi gwybod am sgam - Cyngor ar Bopeth
If you've been scammed, there are organisations you should report the scam to. Find out how to report a scam and what information to gather.
rhoisgamcyngorar