Towards a Baltic Sea Region Strategy in Critical ... - Helsinki.fi

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CRITICAL INFRASTRUCTURE PROTECTION IN THE BALTIC SEA REGION I. Infrastructure security layer constituting network transmission facilities and devices that are fundamental building blocks of the network (e.g., servers, routers, base stations, links between base stations and switching centre). II. Services security layer addressing security of services provided by the network (e.g., Internet access services, voice calls, VPN, SDS/SMS messaging). III. Applications security layer addressing security of network-based applications accessed by network users (e.g., email, web browsing, file transfer, online training, electronic/mobile-commerce). 3. Security planes: are categories of network-related activities protected by security dimensions. The three activity planes in the security architecture are: I. The management security plane concerned with protection of OAM&P functions of network elements, services and application. Includes the fault, capacity, administration, provisioning, and security (FCAPS) functions. II. The control security plane concerned with the protection of activities that enable efficient delivery of information, services and applications across the networks. Includes machine-to-machine communication of control or signalling information for configuring devices to route traffic across network. III. The end-user security plane addresses security in the user’s process of accessing and utilizing services provided by network. This also includes actual end-user payload or data flows (e.g., images, data files, streaming video). Each of the aforementioned security planes along with the three security layers must be secured to provide an effective end-to-end security posture. Utilization of the ITU-T X.805 Security Architecture The ITU-T X.805 security architecture components described previously enable the identification of security issues that need to be addressed in countering threats adopted from ITU-T X.800, namely: destruction, corruption, removal, disclosure and interruption. Table 7 shows the security dimensions and the corresponding security threats that are addressed by each dimension. For instance, the authentication security dimension counters the threat of removal or disclosure of information. The ITU-T X.805 security architecture enables modular, systematic and organized assessment and planning of network security. Figure 17 illustrates in tabulated form how the intersection of three security layers and three security planes provide nine unique perspectives or modules for consideration of the eight security dimensions. Notably, the security dimensions of different modules would have a different set of objectives and hence different set of security measures. This tabular form provides a convenient way of describing the security dimension objectives for each module. The objective of each one of the aforementioned modules is summarized briefly in Table 8. 112 NORDREGIO REPORT 2007:5
CHAPTER III: INFORMATION AND COMMUNICATION TECHNOLOGY Table III—7 Threats defined in ITU-T X.805 framework and corresponding security dimensions proposed to address them (a thumbs-up sign implies the threat is countered by a security dimension in the corresponding row). SECURITY DIMENSIONS Access control Authentication Non-repudiation Data confidentiality Communication security Data integrity Availability Privacy Destruction of info & resources Corruption of info SECURITY THREATS Removal of info & resources Disclosure of info Interruption of services FigureIII—17 Nine unique perspectives or modules of the ITU-T X.805 security architecture. NORDREGIO REPORT 2007:5 113
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Towards a Baltic Sea Region Strateg
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Nordregio Report 2007:5 ISSN 1403-2
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5.4 Impacts caused by terrorism, na
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CRITICAL INFRASTRUCTURE PROTECTION
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PREFACE PREFACE With the Commission
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PREFACE The study includes tens of
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CHAPTER I: INTRODUCTION CHAPTER I:
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CHAPTER II: ELECTRICITY 2 ELECTRIC
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CHAPTER II: ELECTRICITY electricity
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CHAPTER IV: OIL TRANSPORTATION ANDM
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CHAPTER V: GAS CHAPTER V: GAS Sven
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CHAPTER VI: WATER CHAPTER VI: WATER
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