Not really... First, what would be listening to them? Siri is activated by voice on iPads, iPhones, and Apple Watches. And during the setup of Siri, it learns what you sound like, and ignores others. If I say "Hey Siri" in front of my iPad, Siri wakes up and will respond to me. If anyone else says Hey Siri, nothing happens.Does this mean someone could stand outside your home and shout 'Hey Siri, unlock the door'.....