"Australian banks have to continue to tread that fine business line of educating their customers about secure banking practices, managing the risk, and investing in new systems that increase security.

"Banks and other financial institutions must ensure that their risks are clearly visible, that they are secure in the knowledge that they can manage risk events, and that they can clearly demonstrate these assurances to their customers."

The survey found Australia led the world in terms of adoption of online banking, followed by the US and France.

Australia also reported much lower instances of identity fraud than most countries polled. In the US, 17 percent of respondents said they had been victims of identity fraud, 11 percent in the UK, 9 percent in Brazil, while only 7 percent were affected in Australia.