Your children will tell their teachers. Your friends, ex-wives and neighbors will cash in on those "Report an illegal gun, earn $1000" anonymous tip lines.
Your doctor will ask via Obama-care and Executive order.
We homeschool with other families that no longer have guns. And we don't talk about what we may or may not have in the way of firearms, or how we may or may not be preparing for - something.
Initially, Op-Sec sounded paranoid - but my wife and daughter have bought into the idea, as have others we may or may not be in contact with....