I came across an article about making a Drone WiFi disabler on Make that I thought was cool. Then I realized that this could be a future problem for some people. In short, make sure that you are setting up encryption especially if running SoftAp.
This hack basically makes use of the fact that some manufacturers don't set the encryption by default when first launched out of the box. This is just a heads up to everyone so you aren't a future target.