AS/NZS ISO/IEC 27011:2025
Information security, cybersecurity and privacy protection – Information security controls based on ISO/IEC 27002 for telecommunications organizations
Standard provides guidelines supporting the implementation of information security controls in telecommunications organizations.
This document will allow telecommunications organizations to meet baseline information security management requirements of confidentiality, integrity, availability and any other relevant information security property.
This document is identical to, and has been reproduced from, ISO/IEC 27011:2024 Information security, cybersecurity and privacy protection — Information security controls based on ISO/IEC 27002 for telecommunications organizations.
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AS/NZS ISO/IEC 27011:2025 Information security, cybersecurity and privacy protection - Information security controls based on ISO/IEC 27002 for telecommunications organizations
Preface
National foreword
Foreword
Summary
Keywords
FOREWORD
NOTE
INTELLECTUAL PROPERTY RIGHTS
Introduction
Audience
1 Scope
2 Normative references
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 Overview
4.1 Structure of this Recommendation | International Standard
4.2 Information security management systems in telecommunications organizations
4.2.1 Goal
4.2.2 Telecommunications organizations
4.2.3 Information security considerations in telecommunications
4.2.4 Information assets to be protected
4.2.5 Establishment of information security management
5 Organizational controls
5.1 Policies for information security
5.2 Information security roles and responsibilities
5.3 Segregation of duties
5.4 Management responsibilities
5.5 Contact with authorities
5.6 Contact with special interest groups
5.7 Threat intelligence
5.8 Information security in project management
5.9 Inventory of information and other associated assets
5.10 Acceptable use of information and other associated assets
5.11 Return of assets
5.12 Classification of information
5.13 Labelling of information
5.14 Information transfer
5.15 Access control
5.16 Identity management
5.17 Authentication information
5.18 Access rights
5.19 Information security in supplier relationships
5.20 Addressing information security within supplier agreements
5.21 Managing information security in the ICT supply chain
5.22 Monitoring, review and change management of supplier services
5.23 Information security for use of cloud services
5.24 Information security incident management planning and preparation
5.25 Assessment and decision on information security events
5.26 Response to information security incidents
5.27 Learning from information security incidents
5.28 Collection of evidence
5.29 Information security during disruption
5.30 ICT readiness for business continuity
5.31 Legal, statutory, regulatory and contractual requirements
5.32 Intellectual property rights
5.33 Protection of records
5.34 Privacy and protection of PII
5.35 Independent review of information security
5.36 Compliance with policies, rules and standards for information security
5.37 Documented operating procedures
5.38 TEL – Interconnected telecommunications services
5.39 TEL – Security management of telecommunications services delivery
5.40 TEL – Response to spam
5.41 TEL – Response to DoS/DDoS attacks
5.42 TEL – Non-disclosure of communications
5.43 TEL – Essential communications
5.44 TEL – Legality of emergency actions
5.45 TEL – Coordination for information security incident management
6 People controls
6.1 Screening
6.2 Terms and conditions of employment
6.3 Information security awareness, education and training
6.4 Disciplinary process
6.5 Responsibilities after termination or change of employment
6.6 Confidentiality or non-disclosure agreements
6.7 Remote working
6.8 Information security event reporting
7 Physical controls
7.1 Physical security perimeter
7.2 Physical entry
7.3 Securing offices, rooms and facilities
7.4 Physical security monitoring
7.5 Protecting against physical and environmental threats
7.6 Working in secure areas
7.7 Clear desk and clear screen
7.8 Equipment siting and protection
7.9 Security of assets off-premises
7.10 Storage media
7.11 Supporting utilities
7.12 Cabling security
7.13 Equipment maintenance
7.14 Secure disposal or re-use of equipment
7.15 TEL – Securing communication centres
7.16 TEL – Securing telecommunications equipment room
7.17 TEL – Securing physically isolated operation areas
7.18 TEL – Equipment sited in other carriers' premises
7.19 TEL – Equipment sited in user premises
8 Technological controls
8.1 User endpoint devices
8.2 Privileged access rights
8.3 Information access restriction
8.4 Access to source code
8.5 Secure authentication
8.6 Capacity management
8.7 Protection against malware
8.8 Management of technical vulnerabilities
8.9 Configuration management
8.10 Information deletion
8.11 Data masking
8.12 Data leakage prevention
8.13 Information backup
8.14 Redundancy of information processing facilities
8.15 Logging
8.16 Monitoring activities
8.17 Clock synchronization
8.18 Use of privileged utility programs
8.19 Installation of software on operational systems
8.20 Network security
8.21 Security of network services
8.22 Segregation of networks
8.23 Web filtering
8.24 Use of cryptography
8.25 Secure development lifecycle
8.26 Application security requirements
8.27 Secure system architecture and engineering principles
8.28 Secure coding
8.29 Security testing in development and acceptance
8.30 Outsourced development
8.31 Separation of development, test and production environments
8.32 Change management
8.33 Test information
8.34 Protection of information systems during audit testing
8.35 TEL – Telecommunications carrier identification and authentication by users
Annex A Additional guidance for network security (This annex does not form an integral part of this Recommendation | International Standard.)
Bibliography
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AS/NZS ISO/IEC 27011:2025 Information security, cybersecurity and privacy protection - Information security controls based on ISO/IEC 27002 for telecommunications organizations
Preface
National foreword
Foreword
Summary
Keywords
FOREWORD
NOTE
INTELLECTUAL PROPERTY RIGHTS
Introduction
Audience
1 Scope
2 Normative references
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 Overview
4.1 Structure of this Recommendation | International Standard
4.2 Information security management systems in telecommunications organizations
4.2.1 Goal
4.2.2 Telecommunications organizations
4.2.3 Information security considerations in telecommunications
4.2.4 Information assets to be protected
4.2.5 Establishment of information security management
5 Organizational controls
5.1 Policies for information security
5.2 Information security roles and responsibilities
5.3 Segregation of duties
5.4 Management responsibilities
5.5 Contact with authorities
5.6 Contact with special interest groups
5.7 Threat intelligence
5.8 Information security in project management
5.9 Inventory of information and other associated assets
5.10 Acceptable use of information and other associated assets
5.11 Return of assets
5.12 Classification of information
5.13 Labelling of information
5.14 Information transfer
5.15 Access control
5.16 Identity management
5.17 Authentication information
5.18 Access rights
5.19 Information security in supplier relationships
5.20 Addressing information security within supplier agreements
5.21 Managing information security in the ICT supply chain
5.22 Monitoring, review and change management of supplier services
5.23 Information security for use of cloud services
5.24 Information security incident management planning and preparation
5.25 Assessment and decision on information security events
5.26 Response to information security incidents
5.27 Learning from information security incidents
5.28 Collection of evidence
5.29 Information security during disruption
5.30 ICT readiness for business continuity
5.31 Legal, statutory, regulatory and contractual requirements
5.32 Intellectual property rights
5.33 Protection of records
5.34 Privacy and protection of PII
5.35 Independent review of information security
5.36 Compliance with policies, rules and standards for information security
5.37 Documented operating procedures
5.38 TEL – Interconnected telecommunications services
5.39 TEL – Security management of telecommunications services delivery
5.40 TEL – Response to spam
5.41 TEL – Response to DoS/DDoS attacks
5.42 TEL – Non-disclosure of communications
5.43 TEL – Essential communications
5.44 TEL – Legality of emergency actions
5.45 TEL – Coordination for information security incident management
6 People controls
6.1 Screening
6.2 Terms and conditions of employment
6.3 Information security awareness, education and training
6.4 Disciplinary process
6.5 Responsibilities after termination or change of employment
6.6 Confidentiality or non-disclosure agreements
6.7 Remote working
6.8 Information security event reporting
7 Physical controls
7.1 Physical security perimeter
7.2 Physical entry
7.3 Securing offices, rooms and facilities
7.4 Physical security monitoring
7.5 Protecting against physical and environmental threats
7.6 Working in secure areas
7.7 Clear desk and clear screen
7.8 Equipment siting and protection
7.9 Security of assets off-premises
7.10 Storage media
7.11 Supporting utilities
7.12 Cabling security
7.13 Equipment maintenance
7.14 Secure disposal or re-use of equipment
7.15 TEL – Securing communication centres
7.16 TEL – Securing telecommunications equipment room
7.17 TEL – Securing physically isolated operation areas
7.18 TEL – Equipment sited in other carriers' premises
7.19 TEL – Equipment sited in user premises
8 Technological controls
8.1 User endpoint devices
8.2 Privileged access rights
8.3 Information access restriction
8.4 Access to source code
8.5 Secure authentication
8.6 Capacity management
8.7 Protection against malware
8.8 Management of technical vulnerabilities
8.9 Configuration management
8.10 Information deletion
8.11 Data masking
8.12 Data leakage prevention
8.13 Information backup
8.14 Redundancy of information processing facilities
8.15 Logging
8.16 Monitoring activities
8.17 Clock synchronization
8.18 Use of privileged utility programs
8.19 Installation of software on operational systems
8.20 Network security
8.21 Security of network services
8.22 Segregation of networks
8.23 Web filtering
8.24 Use of cryptography
8.25 Secure development lifecycle
8.26 Application security requirements
8.27 Secure system architecture and engineering principles
8.28 Secure coding
8.29 Security testing in development and acceptance
8.30 Outsourced development
8.31 Separation of development, test and production environments
8.32 Change management
8.33 Test information
8.34 Protection of information systems during audit testing
8.35 TEL – Telecommunications carrier identification and authentication by users
Annex A Additional guidance for network security (This annex does not form an integral part of this Recommendation | International Standard.)
Bibliography
AS/NZS ISO/IEC 27011:2025
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.