Just to add on that, SCISA has proved to be necessary but non-sufficient, in the sense that other than closing legal gaps and having a clear legal framework from which to encourage departments and agencies to share in the national security agencies, it allows more training, learning, or working on educating people, particularly those in the non-national security world, on how those gaps are closed and how they can use the act in a way that creates safeguards and respect for privacy but also helps on the national security front.
On November 17th, 2016. See this statement in context.