Even with that being the case, the memo apparently refers to communications that initiate actions by, say, the NSA. The declassifying authorities must ensure that bad actors can't deduce enough from the memo's contents to allow them to intercept, spoof or interfere with such communications.
It is obvious that most folks here -- clamoring for release, declassification, or leaking -- have zero conception of the care that is require to operate securely in a highly classified environment. They definitely have never lived and operated within one...
Looks like we will findout soon enough. The talk is it just a matter of time for the release of the memo. I would think most of the leg work to get these people would be sifting through log files.