Notre Dame and Sydney - that was nothing. Notre Dame doesn't have a police station; it is not 1,000 or so feet high. It was a public structure, very easy to access. And Sydney Harbour Bridge was half-and-half: a bridge, in the middle of the night. The World Trade Center was the end of the world. Electronic devices, police dogs.
A smartphone links patients' bodies and doctors' computers, which in turn are connected to the Internet, which in turn is connected to any smartphone anywhere. The new devices could put the management of an individual's internal organs in the hands of every hacker, online scammer, and digital vandal on Earth.