To use an analogy, because it's like hearing about buildings being infected by viruses instead of the people living in them.
Datacenters hold machines which can belong to many different companies, and there can be intranets between them, but otherwise they are equivalent to being connected to the Internet.
Datacenters hold machines which can belong to many different companies, and there can be intranets between them, but otherwise they are equivalent to being connected to the Internet.