Internet security: firewalls and beyond

This article talks about how with the shift from algorithms and mainframes to networks and embedded systems, while this shift allows for more powerful technology, better protection is needed, and the steps that must be taken in order to ensure safety in these interactive systems. It goes into detail about with the emergence of Transfer Control Protocol and Internet Protocol communications, there has become a growing vulnerability in these communications networks to provide security. Before going through solutions to these deficiencies, it first talks about the layout of the Internet and communication networks and how all of the moving pieces work together to provide the correct end result.