Easier said than done though. My wife works for a massive company that now makes you classify every email as external, internal, or confidential and after numer

Easier said than done though. My wife works for a massive company that now makes you classify every email as external, internal, or confidential and after numerous emails, training and constantly calling people out on things, nobody can still figure out the difference (and thus marks everything far less secure than it is), despite it being trivial.