By Bora Rawcliffe
In Banner Health System d/b/a Banner Estrella Medical Center, 358 N.L.R.B. No. 93 (2012), the National Labor Relations Board (NLRB) held that an employer’s maintenance and application of a general confidentiality rule prohibiting employees from discussing ongoing investigations of employee misconduct violates Section 8(a)(1) of the National Labor Relations Act.