THE money in the credit card account was to pay the family's rent this week, but on Monday night Warwick woman Donna Page discovered it gone, stolen by sophisticated hackers.

The sum missing was $300, to Mrs Page's relief, the only money in that particular account.

"It could have been more and made things almost impossible,” she said.

"It's terrifying to know that people can get your details and use them like this.”

Notified to the theft by a message from National Australia Bank, Mrs Page immediately checked her accounts and found the money missing.

"It's amazing how many things can go through your head at a time like that,” she said.

"How was I going to pay rent, how do I fix this, am I going to get the money back?

"I do a lot of online shopping so that was my first thought, is that how it happened?

"But I suffered a case of online fraud a few years ago, where a company tried to tell me I bought something when I didn't, so I'm super careful online these days.”

It was explained to Mrs Page by the NAB fraud assist team that hackers are know using a sophisticated new software to randomly generate credit card numbers, rolling through millions of combinations before they find a match.

"It's just so unlucky. What are the odds?,” she said.

"Mrs Page said the card had been used to buy $300 worth of Bitcoin, before the alarm was raised when the hackers tried to book a hotel room in the US.

"The bank has been nothing but brilliant.

"I'll be reimbursed the full amount within a few weeks, luckily I have a very understanding landlord.”

There are a few ways you can make yourself less susceptible to credit card fraud:

Run virus and spyware scans on your computers

Check to see if websites you deal with are secure and safe

If you've misplaced your card, cancel or "lock” it

Keep up to date with the latest scams

Check accounts regularly and report unauthorised transactions