Visualization technologies offer a powerful tool that enables corporate network security administration, and the purpose of this article is to examine the use of  interactive maps to increase the use of  such visualization mechanisms. A field quasi-experiment is run during two cyber defense competitions to analyze user differences in intention to use the system based on whether or not a map-based visualization mechanism is used.  Results show that there exists a significant difference in subject intention to use a map-based system depending on the level of prior knowledge that the subject has in computer and network security. 

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