More Sanctions on North Korea After Sony Case

The Obama administration doubled down on Friday on its allegation that North Korea’s leadership was behind the hacking of Sony Pictures, announcing new, if largely symbolic, economic sanctions against 10 senior North Korean officials and the intelligence agency it said was the source of “many of North Korea’s major cyberoperations.”

The actions were based on an executive order President Obama signed on vacation in Hawaii, as part of what he had promised would be a “proportional response” against the country. But in briefings for reporters, officials said they could not...