It's less likely a black hat and more likely a script puppy changing his SSID to something to bother people. A lot of people with a moderate wireless knowledge will change their SSID to "Secure Network", "Private Network", "Hidden Network", or "FBI". Real ne'r-do-wells, just won't broadcast their SSID. I won't worry about it at all, unless it becomes unsecure, and the signal strength is strong enough for your machine to actually attempt to hook up to it... that'd be problematic on a few levels.
"There ought to be a term that would designate those who actually follow the teachings of Jesus, since the word 'Christian' has been largely divorced from those teachings, and so polluted by fundamentalists that it has come to connote their polar opposite: intolerance, vindictive hatred, and bigotry." -- Philip Stater, Huffington Post
always working on cleaning my windows- me regarding Johari
always working on cleaning my windows- me regarding Johari