Hackers have attacked Hunting & Fishing's website, forcing the company to keep it closed and issue a warning to customers about suspicious transactions.
The attack on the site was detected earlier this month and it remains closed today.
In a notice on the site, the firm says customers who had bought any goods online should contact their bank and check transactions
"We suggest you do this at the earliest opportunity."
General manager Trent Smith said the situation remained as it was last week when it was reported there had been around 20 suspicious transactions, although nobody had appeared to have lost any money.
"I think the banks have been pretty good with customers - it's all in the hands of the banks and Visa," he said.