Active wi-fi scanning can reveal your phone’s favorite networks. That might not sound like much, but snoopers might be able to pick up info from descriptive network names…or automatically create an “evil twin” network.
What is your phone saying behind your back?
Do you always turn WiFi off on your smartphone before leaving the house or work? You might think there’s no harm in having WiFi turned on but not connected to a network, but that’s not necessarily…