Simulation Tool for Automation Security Event Testing
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Solution Overview
Problem
Industrial automation systems face challenges in effectively responding to security incidents without disrupting normal operations, due to complex SIEM system configurations and lack of realistic testing environments, which can lead to inadequate response strategies and potential risks.
Innovation Solution
Integrating simulation models with SIEM systems to generate and evaluate security events, allowing for the configuration and testing of plant-specific actions within a simulated environment, thereby enabling realistic training and verification of responses to security incidents.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If SIEM systems are configured to respond to security incidents with automated actions, then response effectiveness is improved, but the risk of disrupting normal plant operations increases
Solution Approach 1:
The patent implements a training mode that allows security responses to be tested and validated in a simulated environment before being deployed to the actual plant. This preliminary action enables verification of response effectiveness and identification of potential disruptions without affecting real operations, thus resolving the contradiction between improving security response and avoiding operational disruption.
2Difficulty of detecting and measuring
If complex SIEM correlation rules are implemented to identify security attacks, then detection capability is improved, but system complexity and difficulty of verification increase
Solution Approach 1:
The patent creates a virtual copy of the plant's automation system and SIEM configuration in a simulation environment. This copy allows for testing and verification of complex correlation rules without affecting the actual system, reducing the complexity burden by enabling offline validation and simplifying the deployment process.
Solution Approach 2:
The simulation environment acts as an intermediary between the SIEM system configuration and the actual plant operations. It provides a buffer zone where complex rules can be developed, tested, and verified before being transferred to production, thereby managing complexity while maintaining detection capability.
3Measurement precision
If extensive testing of security responses is performed in the actual plant environment, then response accuracy is improved, but normal plant operations are disrupted
Solution Approach 1:
The patent creates a faithful virtual replica of the plant environment including process dynamics, automation system behavior, and SIEM configurations. This copy enables extensive testing of security responses with high accuracy requirements without interrupting actual plant operations, as all testing occurs in the simulated environment.
Solution Approach 2:
The patent separates the testing function from the operational function by creating distinct simulation and production environments. This segmentation allows testing activities to proceed independently without affecting plant productivity, while still maintaining realistic conditions through the simulation model.
Data Source
AI summary
In planning and engineering an automation solution which comprises an automation system and a process engineering plant, objects that represent the components of the configured automation solution are imported by means of a simulation tool to simulate the automation solution on the basis of simulation models associated with the imported objects. Attributes contained in objects which represent the hardware components of the automation system and which describe IT security events that may be generated by the components are entered into the associated simulation models for simulatively generating security events in a simulation of the automation solution, for transferring the simulatively generated security events to a Security Information Event Management (SIEM) system for evaluation, and for using the results of the evaluation generated by the SIEM system to simulate the automation solution.