A new scam is targeting bank accounts and employee salaries through payroll departments, police warn.
The scammers, usually operating from an overseas IP address, create a false email address in the name of an employee then email their payroll department requesting a change of bank account.
The employee's salary is then paid to the thieves.
Customer invoices sent by businesses via email are also being intercepted and replaced with a new bank account details.
Police advised that any bank account changes and email invoices should be verified in person or by phone.