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Industrial IT security management supported by an asset management database

Authors: Narciso, André Filipe Tarrucha;

Industrial IT security management supported by an asset management database

Abstract

Gerir a segurança dos sistemas e activos de Tecnologias da Informação (TI) ao longo do seu ciclo de vida é uma tarefa muito complexa e importante para as organizações, onde o número de ameaças externas e de vulnerabilidades nos sistemas industriais continua a aumentar. Gerir a complexidade e ter uma visão geral clara de todos os ativos dentro das infra-estruturas industriais são desafios chave. Além disso, não há uma estrutura de dados bem definida para organizar todos os dados sobre ativos de TI de diferentes fontes industriais. Este estudo descreve uma solução para auxiliar a gestão da segurança de ativos de TI industriais, desenvolvida em colaboração com o departamento de Security Life-Cycle da Siemens CT. A ferramenta desenvolvida tem como objetivo integrar dados de ativos presentes na ferramenta de engenharia Component Object Server (COMOS) e no software de segurança Siemens Extensible Security Testing Appliance (SiESTA), utilizando uma base de dados Neo4j para armazenar e visualizar as relações entre os ativos, bem como os seus atributos relevantes para segurança. Foi realizada uma comparação entre cinco diferentes modelos de bases de dados com o objetivo de avaliar qual o mais adequado para os requisitos de base de dados definidos. Foi definido um modelo de dados, baseado na National Institute Standards Technology (NIST) Asset Identification Specification 1.1. Os objetos e relações do modelo de dados foram determinados para dar suporte aos casos de uso: Descoberta de Hosts , Análise de Portas e Gestão de Vulnerabilidades. Ao usar como input um ficheiro com a configuração de redes exportado do software COMOS, a ferramenta de suporte à base de dados permite importar e exportar dados da base de dados, e automatizar a criação de ficheiros para o SiESTA realizar testes de segurança em redes industriais. A solução proposta foi validada através de um questionário conduzido aos consultores de Segurança de TI, obtendo opiniões positivas sobre a utilidade da ferramenta na gestão de ativos em ambientes industriais.

Managing the security of Information Technology (IT) systems and assets throughout their lifecycle is a very complex and important task for organisations, where the number of external threats and vulnerabilities in industrial systems continues to grow. Managing the complexity and having a clear system overview of all assets within industrial infrastructures are key challenges. Beyond that, there is no welldefined data structure to organize all data about IT assets from different industrial sources. This study describes a solution to support security management of industrial IT assets, developed in collaboration with the Siemens Corporate Technology Security Life-Cycle department. The database support tool aims to integrate asset data present on Component Object Server (COMOS) engineering tool and the Siemens Extensible Security Testing Appliance (SiESTA) security scanner software, using a Neo4j graph database to store and visualize the relationships between the assets, as well as their relevant security attributes. It was performed a comparison between five different database models, to assess which database model was more appropriate for the defined database requirements. It was defined a data model, based on National Institute Standards Technology (NIST) Asset Identification Specification 1.1. The objects and relationships of the data model, were determined to support the following use cases: Host Discovery, Port Scanning and Vulnerability Management. Using as input a network blueprint exported from COMOS software, the database support tool enabled to import and export data from the database, and to automate the creation of input files to enable SiESTA to perform scan tests on industrial networks. The proposed solution was validated through a questionnaire conducted to IT Security consultants, obtaining positive feedback on the tool usefulness in managing assets on industrial environments.

Country
Portugal
Keywords

Data model, Host discovery, Industrial networks, Modelo de dados, Análise de portas, :Engenharia e Tecnologia::Engenharia Eletrotécnica, Eletrónica e Informática [Domínio/Área Científica], Network security, Graph database, Vulnerability management, Base de dados de gráficos, Descoberta de hosts, Redes industriais, Asset management, Segurança de rede, Gestão de ativos, Gestão de vulnerabilidades, Port scanning, Domínio/Área Científica::Engenharia e Tecnologia::Engenharia Eletrotécnica, Eletrónica e Informática

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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