The communication method isn’t relevant to its security. If you are a house in the suburbs, a WiFi device in your house you isn’t going to be hacked directly by someone wardriving. The wifi device is going to be hacked by someone coming in over your router which is cat 5/6 Ethernet.
Similarly any other wireless device like zigbee will be hacked over the Internet. The packets will come through your zigbee gateway just like they go through your wifi gateway.
The communication method isn’t relevant to its security. If you are a house in the suburbs, a WiFi device in your house you isn’t going to be hacked directly by someone wardriving. The wifi device is going to be hacked by someone coming in over your router which is cat 5/6 Ethernet.
Similarly any other wireless device like zigbee will be hacked over the Internet. The packets will come through your zigbee gateway just like they go through your wifi gateway.