"Now, of course, you know, it's too late for that. But at least there are some precautions being taken."
He said he believes Snowden targeted specific information to steal rather than grab as much as he could to sort out later.
"He was doing a pretty thorough search to see what he was looking for," he said. "This seems very systematic, very coordinated."
In both cases "the FBI, the NSA are so concerned about outside forces penetrating their system that they just did not take the proper precautions internally," he said.
When asked about speculation that Snowden may have had help from Russia in his stealing U.S. information, King said; "I don't think there's anything to disprove that."
"That is still, you know, the subject of investigation, and certainly something that cannot in any way be ruled out," he said.