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research-article

Planning the Selection and Assignment of Security Forensics Countermeasures

[+] Author and Article Information
Edita Bajramovic

AREVA GmbH, Henri-Dunant-Strasse 50, 91058 Erlangen, Germany
edita.bajramovic@areva.com

Juergen Bochtler

Siemens AG, Freyeslebenstrasse 1, 91058 Erlangen, Germany
juergen.bochtler@siemens.com

Ines Ben Zid

AREVA GmbH, Henri-Dunant-Strasse 50, 91058 Erlangen, Germany
ines.ben-zid@areva.com

Andreas Lainer

Friedrich-Alexander-University Erlangen-Nuremberg, Department of Computer Science, Martensstrasse 5, 91058 Erlangen, Germany
andreas.lainer@fau.de

1Corresponding author.

ASME doi:10.1115/1.4040650 History: Received October 29, 2017; Revised June 13, 2018

Abstract

Cybersecurity incidents are stressful, complex in nature, and frequently are not systematically considered in daily tasks. When correctly managed, operational readiness procedures make sure the availability of data required to successfully and quickly recover from a security incident while lessening the adverse effect. Therefore, protective measures, such as implementation of data diodes, are playing an essential role in defending I&C systems. In addition, applicability of the newest forensic and digital evidence-related standards to the nuclear domain is being evaluated. Results of such evaluation are being considered in the 3D and 2D modeling of cybersecurity relevant assets. The development of the new IEC 63096, downstream standard of IEC 62645, will also support the proposed evaluation and modeling. However, IEC 63096 covers not only forensic and incident management-related security controls but also a broad range of cybersecurity controls. This paper will further explore the security degree-specific selection and overall assignment of forensic-related security controls for the nuclear domain. Results from ongoing prototype developments will be used to demonstrate possible alternative selections and assignments along with their contribution to different security metrics.

Copyright (c) 2018 by ASME
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