US Homeland Security Secretary Janet Napolitano gives a speech during the 31th International Conference for Data Protection and Privacy Commissioners at the Palacio de los Congresos in Madrid on November 4, 2009. Hundreds of privacy experts from around the world met in Madrid for a three-day conference which aims to arrive at a global standard for the protection of personal data. Getty Images logo Getty Images 1 month ago

US Homeland Security Secretary Janet Napolitano gives a speech during the 31th International Conference for Data Protection and Privacy Commissioners at the Palacio de los Congresos in Madrid on November 4, 2009. Hundreds of privacy experts from around the world met in Madrid for a three-day conference which aims to arrive at a global standard for the protection of personal data.