[DoodleDawg]

I would assume that anyone working in the WH, particularly at Bannon’s level, is required to sign an NDA.

I've never heard of that. Given what leaked from past administrations I doubt that there were any such agreements. And if so, that they were enforceable.

[COUNTrecount]

Bannon’s security clearance a challenge outside the White House
By Joe Uchill - 08/19/17 10:50 AM EDT

http://thehill.com/policy/cybersecurity/347206-bannons-security-clearance-a-challenge-outside-the-white-house-experts