This part of ISO/IEC 27033 provides an overview of network security and related definitions. It defines and describes the concepts associated with, and provides management guidance on, network security. (Network security applies to the security of devices, security of management activities related to the devices, applications/services, and end-users, in addition to security of the information being transferred across the communication links.)

It is relevant to anyone involved in owning, operating or using a network. This includes senior managers and other non-technical managers or users, in addition to managers and administrators who have specific responsibilities for information security and/or network security, network operation, or who are responsible for an organization's overall security program and security policy development. It is also relevant to anyone involved in the planning, design and implementation of the architectural aspects of network security.

This part of ISO/IEC 27033 also includes the following:

• provides guidance on how to identify and analyse network security risks and the definition of network security requirements based on that analysis,
• provides an overview of the controls that support network technical security architectures and related technical controls, as well as those non-technical controls and technical controls that are applicable not just to networks,
• introduces how to achieve good quality network technical security architectures, and the risk, design and control aspects associated with typical network scenarios and network "technology" areas (which are dealt with in detail in subsequent parts of ISO/IEC 27033), and briefly addresses the issues associated with implementing and operating network security controls, and the on-going monitoring and reviewing of their implementation.

Overall, it provides an overview of this International Standard and a "road map" to all other parts.


Cross References:
ISO/IEC 7498
ISO/IEC 27001
ISO/IEC 27002
ISO/IEC 27005
ISO/IEC 9595-8
ISO/IEC 10181-1:1996
ISO 11166-2
ISO 11568
ISO 11649
ISO/IEC 11770
ISO 13492
ISO/IEC 13888
ISO/IEC 14516:1999
ISO/IEC 15288:2008
ISO/IEC 18043:2006
ISO/IEC/TR 18044:2004
ISO 21118
ISO/PAS 22399:2007
ISO/IEC 27003
ISO/IEC 27004
ISO/IEC 27039
ISO/IEC 27040
RFC 2196
RFC 2411
RFC 2401
RFC 1918
RFC 1352
RFC 2828
RFC 2827
NIST Special Publication 800-10


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