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A comprehensive guide to designing secure network architectures aligned with the ISO/IEC 27033 framework Introduction to ISO/IEC 27033-2 ISO/IEC 27033-2:2012 provides architectural guidelines for implementing network security within the framework of the ISO/IEC 27033 series. It establishes a structured approach…

Practical reference networking scenarios and threat risk analysis for implementing ISO/IEC 27033 security controls Overview of ISO/IEC 27033-3 ISO/IEC 27033-3:2010 defines reference networking scenarios that serve as templates for conducting threat risk analysis and selecting appropriate security controls. Rather than…

Techniques and controls for securing inter-network communications using gateways, firewalls, and cryptographic protocols Overview of ISO/IEC 27033-4 ISO/IEC 27033-4:2014 provides detailed guidance on securing communications between networks. It addresses scenarios where different networks — possibly under different administrative domains —…

Competence requirements for information security management system professionals ISO/IEC 27021:2017 specifies the competence requirements for professionals performing information security management system (ISMS) activities — including planning, implementing, maintaining, auditing, and improving an ISMS based on ISO/IEC 27001. It establishes a…

Guidelines for information and communication technology readiness for business continuity ISO/IEC 27031:2011 provides guidelines for the information and communication technology (ICT) readiness for business continuity within the broader context of organizational business continuity management (BCM). It bridges the gap between…

Guidelines for improving cybersecurity posture and managing cyber risks ISO/IEC 27032:2023 provides guidelines for improving an organization’s cybersecurity posture by addressing foundational aspects of cybersecurity — including the cybersecurity ecosystem, threat intelligence, attack surface management, and coordination among stakeholders. It…

Network security — Part 1: Overview and concepts ISO/IEC 27033-1:2015 is the introductory part of the ISO/IEC 27033 series, providing an overview of network security concepts, architecture guidance, and management practices. It establishes the foundational terminology, principles, and framework used…

Cloud-specific security controls and shared responsibility model implementation 1. Cloud-Specific Information Security Controls ISO/IEC 27017:2015 provides a code of practice for information security controls applicable to the provision and use of cloud services. It extends the comprehensive control set of…

Privacy controls and data subject rights framework for public cloud PII processing 1. Protecting PII in Public Cloud Environments ISO/IEC 27018:2019 establishes a code of practice for the protection of personally identifiable information (PII) in public cloud environments. As the…

Code of practice for information security controls applied to energy utility industry ISO/IEC 27019:2017 provides interpretation and implementation guidance for information security controls applied to energy utility organizations — including electricity, gas, oil, and heat suppliers, as well as associated…