Security knowledge representation artifacts for creating secure IT systems

doi:10.1016/j.cose.2016.09.001

Security knowledge representation artifacts for creating secure IT systems

2017-01-01

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DOI：10.1016/j.cose.2016.09.001

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The creation of secure applications is more than ever a complex task because it requires from system engineers increasing levels of knowledge in security requirements, design and implementation. In fact, the fast increasing size and volatility of this knowledge has reached a point in which it is unrealistic to expect that system engineers can keep up to date with it. The most prominent paradigm for addressing this problem is the use of security patterns to communicate security knowledge from experts to system designers. This, and other security artifacts, have proved their utility and benefits in the past years, improving the way security is taken into account by system engineers and developers. On the other hand, these artifacts have some limitations that have prevented them from becoming more widespread. In particular, security patterns are human-oriented and as such heavily based on natural language, which implies intrinsic high degrees of imprecision and ambiguity. In our opinion, we need to make the move from purely human oriented artifacts to hybrid artifacts that convey information for both humans (engineers and designers) and computer tools (engineering and development environments). Therefore, we have created a new security knowledge representation artifact that aims to cover the needs of system engineers and help them not only in applying a solution, but also in understanding the security aspects of a given domain as a highly-related set of security concepts (e.g. properties, requirements, solutions, etc.). This artifact, called Domain Security Metamodel (DSM), is, as its name suggests, domain-specific and contains information about all security aspects that are relevant in a specific domain (e.g. embedded systems, web services, etc.). The DSM contains security solutions that implement the security properties of the specific domains. That way, when users apply them into their system models the solutions for development time can be integrated directly and naturally. In order to describe our approach in a useful way we use a running example based on the Web Service Security (WS-Security) specification. (C) 2016 Elsevier Ltd. All rights reserved.

Keywords:

Security engineering process

Security modeling

Security solutions

Domain specific tools

Security requirements

Security knowledge representation artifacts for creating secure IT systems

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