Mick Keelty, co-chair of the Asia-Pacific Group on Money Laundering and Australian federal police chief, told the event in Brisbane that nations must cooperate if the threat is to be eliminated, the Sydney Morning Herald reports.
"Money laundering and the financing of terrorism continue to present significant threats in the region," he said at the annual meeting, which was attended by 400 officials from 40 nations.
He added that the two crimes "require active and ongoing attention" from the authorities.
Ong Hian Sun, senior Singapore government official and co-chair of the body, said that some countries in the region are not meeting global standards on the matter, but added the group's members are "working together" to improve regulation.
Earlier this week the Australian Securities Exchange's Markets Supervision team released a report stating that investigations into insider trading cases are increasing in the country.