I go ahead and change my SSID(s) and password(s.)
Why? Because WPA2 is now crackable using GPU power you force them off the connection to recrack.
-> Be sure your ISP doesn't share your WiFi. Here's a news article about that.
Look around at your ISP and see if you can opt out.
More at https://www.google.com/search?q=gpu+cracking+wpa2
i was restarting router and before i setup pass 2 devices connected to me.
Under dphc leases i had 2 smarphones, ip, mac.
Like wut, i was restarting modem and between that short period of time, 2 people connected to me ? I don't know if wireless would be even up at this point, so strange...