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This paper aims at finding optimal visualization models for representation and analysis of security related data, for example, security metrics, security incidents and cyber attack countermeasures. The classification of the most important security metrics and their characteristics that are important for their visualization are considered. The paper reviews existing and suggested research by the author’s data representation and visualization models. In addition, the most suitable models for different metric groups are outlined and analyzed. A case study is presented as an illustration on the way the visualization models are integrated with different metrics for security awareness.