Co-hosted by Indonesia and Australia, conference participants include Thailand, Singapore, Malaysia and the Philippines, Voice of America reports.
Unfortunately as efforts to combat terrorism improve, so do the capabilities of the terrorists, Australian Foreign Minister Alexander Downer said.
"Terrorists are still out there. They continue to find support. They continue to make bombs. And they continue to recruit operatives to carry out their attacks," Downer says.
Additional topics to be discussed at the meeting include building a security database system and cooperation in monitoring the movement of people and weapons across borders.