The document discusses the growing need for strong security in networks. Modern SCADA networks are more vulnerable than ever due to their use of open standards like TCP/IP, deployment on less secure operating systems like Windows, connections to other networks and the internet, and inability to be easily updated. A typical US organization experiences over a million external probes to their primary network per week. Cybercrime was estimated to have a $1 trillion economy in 2010 and the number of attacks are growing exponentially. The document advocates for implementing general security principles and utilizing a complete security solution to address threats from both external and internal sources.