Disconnecting from other people's Wi-Fi: found in devices with the AirPlay function (https://www.wired.com/story/airborne-airplay-flaws /) a serious vulnerability. It turns any device into a point for sending hacker software.

iPhones, MacBooks, smart TVs, and speakers with Apple wireless technology are under threat. Due to a bug in the AirPlay SDK, anyone can connect to them via a shared Wi-Fi network and run a spyware program.

Apple has already released patches for most of the devices. But installing them on all vulnerable gadgets can take years.