People are urged to beware of an invoice scam that is currently in circulation.
Southern Highlands chief inspector Brendan Bernie said the scam involved invoices being intercepted and the bank account details changed.
He said it was a particular concern for people in trades businesses where tradesperson sent an invoice to a client whose computer might have been hacked.
"The hackers intercept the emailed invoice and change the banking details before forwarding the altered invoice to the client," he said.
Chief Insp Bernie said the invoice looked legitimate as it contained the tradesperson's letterhead and other relevant details.
However, he said the invoice featured a message saying that banking details had changed.
He said people were unwittingly paying the invoice, but the money was going to the hacker instead of the tradesperson.
"We advise anyone receiving an invoice that suggests bank details have changed to check first," he said.
"Call the person who has sent the invoice to see if they have changed their details before making any payments."
Visit www.scamwatch.gov.au/report-a-scam to report a scam.
You can also report a scam to the appropriate agency to help them warn the community about scams and take action to disrupt scams.
Banking: Your bank or financial institution
Centrelink, Medicare, Child Support and myGov related scams:Department of Human Services Scams and Identity Theft Helpdesk - call 1800 941 126
Financial and investment scams:Australian Securities and Investments Commission
Fraud and theft: Your local police - call 131 444
In Victoria call your local police station
Image based abuse (sextortion), cyberbullying and illegal content:Office of the eSafety Commissioner
Tax related scams:Australian Taxation Office
This information has been taken from the federal government's Scamwatch website. for more information visit scamwatch.gov.au
Sign up for our newsletter to stay up to date.