Brazilian President Dilma Rousseff was angered by reports that the National Security Agency was spying on her. She has called for giving individual countries greater control over the Internet. Getty Images hide caption

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This photo released by the Kenya presidency shows the collapsed upper car park of the Westgate Mall in Nairobi last week after al-Shabab terrorists attacked with explosives and guns, killing more than 60 people. Kenya Presidency via AP hide caption

itoggle caption Kenya Presidency via AP

Edward Snowden's leaks about the NSA's secret surveillance program have pushed the agency to expedite planned reforms ahead of schedule, according to NSA officials. Maxim Shemetov/Reuters/Landov hide caption

itoggle caption Maxim Shemetov/Reuters/Landov

Government officials tell NPR that Edward Snowden's job responsibilities allowed him to copy sensitive files unnoticed. Maxim Shemetov/Reuters /Landov hide caption

itoggle caption Maxim Shemetov/Reuters /Landov

With the possibility of a strike on Syrian targets, U.S. firms are trying to protect themselves from cyberattacks that may follow. hide caption

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