CYBER SECURITY EVALUATION TOOL

Great tool to help you get up and running doing a Cyber Security Assessment.  It is free and can produce graphs and reports and actual viso diagrams of network layout.  Read about it here and d/l from the link in the PDF.

https://ics-cert.us-cert.gov/sites/default/files/FactSheets/ICS-CERT_FactSheet_CSET_S508C.pdf