Lots of companies and home users “have their head in the clouds” moving their services, servers and data to the cloud without realizing they are using the cloud since a decade already and they have never given any thought about security of using services from the cloud. Even now, with financial incentives, they do not consider or look at the security implications at all.
Where does a network stop these days? Where does the business network stop? This is not easily definable anymore. Today, networks lacks clear crisp boundaries and it becomes more and more difficult to define what the real inside and outside of the corporate network is. It even becomes more and more difficult for normal users to protect themselves and to detect the real risks behind every part of the network.