More and more, the Internet is the place where we meet up with our friends, get information, organise work, store our pictures and texts, do our banking, see videos, buy tickets and get public services. As we use the Internet extensively, we begin to be “known“ through the Internet equally intimately. Soon, it will also hold extensive transactional information from the many “things” in our daily lives—the entire range of domestic devices as well as public and private infrastructure and services. All this knowledge is power, which can be put to good use or bad. Not only does the Internet increasingly hold too much information about us, with the advancing networked automation and remote access, it provides the power to reach anywhere to control physical spaces and activities.