Instantly is a bit a overstatement. Whenever you connect to a public wifi hotspot and don't use some kind of tunnel (ssh/vpn) you run the risk of automatically

Instantly is a bit a overstatement. Whenever you connect to a public wifi hotspot and don't use some kind of tunnel (ssh/vpn) you run the risk of automatically downloading malware. Which isn't any different then any other place in the world. Whenever I connect to a public wifi hotspot I use a ssh tunnel, I wish them good luch injecting any malware in that stream.