So I noticed on my macbook that when I click the WiFi icon, my iPhone pops up and I can activate a personal hotspot from the laptop. This might be a big concern for me; if, for example, I'm in an airport, can a random person with a macbook activate a personal hotspot from my phone without me knowing? Or is it specific to my laptop since my phone has synced to it multiple times?
Read more: Macbooks and iPhones with personal hotspots?