The personal details of 31 world leaders including Barack Obama and David Cameron were mistakenly leaked by an organiser of Australia 's G20 summit , it was reported today . An employee of the Australian immigration department accidentally e-mailed a member of the Asian Cup football organising committee a cache of sensitive data including passport and visa numbers . But in a letter to the Australian privacy commissioner revealing the blunder , the director of the visa services division did not consider it necessary to inform those world leaders of the privacy breach . The personal details of 31 world leaders including Barack Obama and David Cameron were mistakenly leaked by an organiser of Australia 's G20 summit in November ( above ) , it has been reported . The Guardian reported that an Australian immigration official accidentally e-mailed the passport numbers , visa details and other information about world leaders to an Asian Cup organiser on November 7 . Other leaders who came to Brisbane for the November 15-16 event and whose information was exposed included German Chancellor Angela Merkel , Russian President Vladimir Putin and Chinese President Xi Jinping , it said . The newspaper said details obtained under Australia 's freedom of information laws showed data relating to 31 international leaders was mistakenly emailed to the wrong person due to human error . The mistake arose after the immigration worker failed to check that the autofill function on the email system had addressed the email correctly , it said . Breach : Leaders who came to Brisbane for the G20 event in November and whose information was exposed included British Prime Minister David Cameron and Russian President Vladimir Putin ( pictured above ) The immigration officer recommended that the world leaders not be notified of the breach because the e-mail had been deleted and 'actions ... taken to limit the further distribution of the email . ' Australia 's deputy opposition leader , Tanya Plibersek , called on Prime Minister Tony Abbott to answer why the world leaders were not notified of the breach . 'The prime minister and the immigration minister must explain this serious incident and the decision not to inform those affected , ' she told The Guardian . Australia 's immigration department today confirmed there had been a data breach , but gave no details and did not say whether the world leaders had since been informed . Australia 's deputy opposition leader , Tanya Plibersek , called on Prime Minister Tony Abbott ( pictured , above , with Angela Merkel at the summit ) to answer why the world leaders were not notified of the breach . 'The breach was immediately referred to the Office of the Australian Information Commissioner , ' a spokeswoman for the Department of Immigration and Border Protection said in a statement . 'The data was immediately deleted by the recipient and was not distributed further . ' Australia hosted the Asian Cup in January . The Australian immigration spokeswoman said the department had reviewed and strengthened its email protocols to limit and contain future breaches .
Immigration official sent data to Asian Cup football tournament organiser . E-mail included passport and visa numbers of 31 world leaders at the G20 . Score: 6