When Gaby Bailleux released the Angel Worm into Australia's prison system, allowing hundreds of asylum seekers to walk free, she also let the cat out of the bag. The Americans ran the prisons, like so many parts of her country, and so the doors of some 5000 American places of incarceration also opened. Both countries' secrets threatened to pour out. Was this a mistake, or had Gaby declared cyberwar on the US? Felix Moore - known to himself as 'Australia's last serving left wing journalist' - has no doubt. Her act was part of the covert conflict between Australia and America. That conflict dates back to the largely forgotten Battle of Brisbane in 1943, stretches forward to America's security