( CNN ) Personal details including the passport numbers of U.S. President Barack Obama and 19 other world leaders at last year 's G20 summit were inadvertently released by Australia 's immigration department , British newspaper the Guardian reported Monday . An official mistakenly sent the passport , visa and other details of all leaders at the summit to local organizers of the Asian Cup football tournament , which was held in Australia in January , the newspaper reported . The recipient immediately destroyed the data and the information was not distributed further , a spokesman for Australia 's Department of Immigration and Border Protection told CNN . Besides Obama , world leaders at the summit , held in the Australian city of Brisbane in November , included Russian President Vladimir Putin , China 's President Xi Jinping , India 's Prime Minister Narendra Modi , Japan 's Prime Minister Shinzo Abe , German Chancellor Angela Merkel and British Prime Minister David Cameron , among others . A spokesman for the Department of Immigration and Border Protection told CNN in a statement that the `` breach was immediately referred to the Office of the Australian Information Commissioner . '' `` The Department has reviewed and strengthened its email protocols to limit and contain future breaches . `` READ MORE : Mixed fortunes for leaders as summit comes to a close .
An British immigration official mistakenly sent personal details of leaders at the G20 . The data was immediately destroyed by the recipient , an organizer of the Asian Cup soccer tournament . The G20 summit was held in Brisbane , Australia in November .