More problematic for the US and its allies are trans-national groups, such as Jemaah Islamiyah.

BBC: Combating terror in South-East Asia

The United States has dubbed Jemaah Islamiyah, an Indonesian Islamic group implicated in the attack, a foreign terrorist organisation.

ECONOMIST: The hunt continues | The

Several Indonesians arrested in the Philippines on explosives charges have been linked to Jemaah Islamiyah, as have several Singaporean terrorist suspects whom the authorities claim have fled to Indonesia.

BBC: Combating terror in South-East Asia

The men, all arrested between December 9 and 24 under the Internal Security Act, were members of the Jemaah Islamiyah -- a clandestine Islamic Group with links to other Southeast Asian nations.

CNN: Leaders slam terror plotters

Malaysia and Singapore have wanted Indonesia to arrest Abu Bakar Bashir, a Muslim cleric who leads Jemaah Islamiyah, an militant group which wants to create an Islamic state through a swathe of South-East Asia.

ECONOMIST: Terror in the shadows | The

Indeed their relationship with America, Israel, and the West, and their melting pot society has made them the repeated target of the Jemaah Islamiyah terrorist group, and the authorities are willing to do what is necessary to protect their people.

FORBES: The Best Airport Experience In The World