Subversion?
a risk assessment of what you have to put in place to protect the employee against subversion.
So the principal is that so long as you are open and tell them about being president of the squirrel love society (as noted on your website) and your enjoyment of country and western music you're okay? But a hidden affair with the next-door-neighbour is a no-no?
Actually it used to be quite tough - my father was a senior officer in the RAF (back in the 1970s) and had to do a lot of explaining when his step-sister-in-law decided to go and work as a librarian in East Berlin!