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Security Extensions for PROFINET

  • Operators of production plants are increasingly emphasizing secure communication, including real-time communication, such as PROFINET, within their control systems. This trend is further advanced by standards like IEC 62443, which demand the protection of realtime communication in the field. PROFIBUS and PROFINET International (PI) is working on the specification of the security extensions for PROFINET (“PROFINET Security”), which shall fulfill the requirements of secure communication in the field. This paper discusses the matter in three parts. First, the roles and responsibilities of the plant owner, the system integrator, and the component provider regarding security, and the basics of the IEC 62443 will be described. Second, a conceptual overview of PROFINET Security, as well as a status update about the PI specification work will be given. Third, the article will describe how PROFINET Security can contribute to the defense-in-depth approach, and what the expected operating environment is. We will evaluate how PROFINET Security contributes to fulfilling the IEC 62443-4-2 standard for automation components. Two of the authors are members of the PI Working Group CB/PG10 Security.

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Author:Karl-Heinz NiemannORCiDGND, Andreas Walz, Axel Sikora
Parent Title (English):Embedded World 2023 Exhibition & Conference : 14-16 March 2023, Nuremberg, Germany
Publisher:Weka Fachmedien GmbH
Editor:Axel Sikora
Document Type:Conference Proceeding
Year of Completion:2023
Publishing Institution:Hochschule Hannover
Release Date:2023/04/27
Tag:Industrial Security; PROFINET Security
GND Keyword:PROFInet; Ethernet
First Page:4
Last Page:9
Link to catalogue:1847846343
Institutes:Fakultät I - Elektro- und Informationstechnik
DDC classes:620 Ingenieurwissenschaften und Maschinenbau
004 Informatik
Licence (German):License LogoCreative Commons - CC BY - Namensnennung 4.0 International