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Economic globalization leads to complex decentralized company structures calling for the extensive use of distributed IT-systems. The business processes of a company have to reflect these changes of infrastructure. In particular, due to new electronic applications and the inclusion of a higher number of-potentially unknown-persons, the business processes are more vulnerable against malicious attacks than traditional processes. Thus, a business should undergo a security analysis. Here, the vulnerabilities of the business process are recognized, the risks resulting from the vulnerabilities are calculated, and suitable safeguards reducing the vulnerabilities are selected. Unfortunately, a security analysis tends to be complex and affords expensive security expert support. In order to reduce the expense and to enable domain experts with in-depth insight in business processes but with limited knowledge about security to develop secure business processes, we developed the framework MoSS B P facilitating the handling of business process security requirements from their specification to their realization. In particular, MoSS BP provides graphical concepts to specify security requirements, repositories of various mechanisms enforcing the security requirements, and a collection of reference models and case studies enabling the modification of the business processes. In this paper, the MoSS BP -framework is presented. Additionally, we introduce a tool supporting the MoSS B P -related security analysis of business processes and the incorporation of safeguards. This tool is based on object-oriented process models and acts with graph rewrite systems. Finally, we clarify the application of the MoSS B P -framework by means of a business process for tender-handling which is provided by anonymity-preserving safeguards.

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