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  4. A Meta Model for a Comprehensive Description of Network Protocols Improving Security Tests
 
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2020
Conference Paper
Title

A Meta Model for a Comprehensive Description of Network Protocols Improving Security Tests

Abstract
Modern industrial automation and control systems (IACS) are highly interconnected via Ethernet. Performing security tests to detect possible vulnerabilities in IACS is one of the measures requested by the IEC 62443 series of standards in order to improve their security. However, security testing tools and frameworks which exceed the power of random fuzzing require precise network protocol definitions. Unfortunately, those definitions vary greatly from tool to tool. Additionally, their creation and maintenance is time-consuming and error-prone. In consequence, especially common IACS protocols like Profinet IO or OPC UA are seldom to never implemented. To overcome this issue, this work proposes and implements an approach of a generic meta model for a comprehensive description of arbitrary network protocols. An important use case of this meta model is the export of network protocol definitions for different testing tools.
Author(s)
Pfrang, Steffen  
Meier, David  
Fleig, Andreas
Beyerer, Jürgen  
Mainwork
6th International Conference on Information Systems Security and Privacy, ICISSP 2020. Proceedings  
Conference
International Conference on Information Systems Security and Privacy (ICISSP) 2020  
Open Access
DOI
10.5220/0009150206710682
Additional full text version
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Language
English
Fraunhofer-Institut für Optronik, Systemtechnik und Bildauswertung IOSB  
Keyword(s)
  • meta model

  • network protocols

  • Packet Structure

  • Protocol Behavior

  • security testing

  • Industrial automation

  • IACS

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