ABSTRACT
Moreover, the QoP-ML makes it possible to perform the security economics analysis
called adaptable security in the literature [43, 44].
Here we discuss the syntax and semantics of a new structure for the Quality
of Protection Modeling Language (QoP-ML) needed in the analysis of a reputation
system (reputation module). The first view of this module was presented in [46]. The
essential achievement is introducing the ability of formally specifying the distributed
reputation systems along with other protocols and functions of information security
supporting the reputation systems. Based on the reputation module, it is possible to
analyze the reputation system from the technical and information perspective. To
calculate the reputation values of agents, defined algorithms are applied which are
abstracted from the operating system by means of the host being defined as a part of
the whole IT architecture, which is used for abstraction of distributed communities.
In this infrastructure, defense mechanisms can be modeled and their impact on the
reputation system can be analyzed. The reputation module proposed here is a part
of the Quality of Protection Modeling Language and the first modeling language
enabling abstraction and analysis of the reputation systems as regards the technical
and information security perspective in a formal way.