ISO 27002:2022, Control 8.34 – Protection of Information Systems During Audit Testing

ISO 27002:2022 Revised Controls

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Audit tests play a critical role in detecting and eliminating security risks and vulnerabilities in the information systems.

However, the audit process, whether performed in operational, testing, or development environments, can expose sensitive information to the risks of unauthorised disclosure, or loss of integrity and availability.

Control 8.34 deals with how organisations can maintain the security of information assets during audit tests.

Purpose of Control 8.34

Control 8.34 enables organisations to eliminate and mitigate risks to the security of information systems and to the continuity of business operations by establishing and applying suitable measures and controls such as access restrictions and read-only access limitations.

Attributes Table

Control 8.34 is preventive in nature as it requires the upper management and the auditor to plan and agree on audit testing procedures, restrictions, and controls prior to carrying out audits.

Control Type Information Security PropertiesCybersecurity ConceptsOperational CapabilitiesSecurity Domains
#Preventive #Confidentiality
#Integrity
#Availability
#Protect#System and Network Security
#Information Protection
#Governance and Ecosystem
#Protection
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Ownership of Control 8.34

The IT management team should be responsible to plan and agree on audit procedures and to create and apply necessary measures.

General Guidance on Compliance

Control 8.34 lists eight specific requirements organisations should consider:

  1. Appropriate management and the auditor should agree on access to systems and information assets.
  2. Agreement on the scope of technical audit tests to be performed.
  3. Organisations can only provide read-only access to information and software. If it is not possible to use the read-only technique, an administrator with necessary access rights can gain access to systems or data on behalf of the auditor.
  4. If an access request is authorised, organisations should first verify that devices used to access systems meet the security requirements before they provide access.
  5. Access should only be provided for isolated copies of files extracted from the system. These copies should be permanently deleted once the audit is complete unless there is an obligation to retain those files. If read-only access is possible, this control does not apply.
  6. Requests by auditors to perform special processing such as deploying audit tools should be agreed upon by the management.
  7. If an audit runs the risk of impacting system availability, the audit should be carried out outside of business hours to maintain the availability of information.
  8. Access requests made for audits should be logged for the audit trail.

Supplementary Guidance on Control 8.34

When audits are performed on testing or development environments, organisations should be cautious against the following risks:

  • Compromise of the integrity of code.
  • Loss of confidentiality of sensitive information.

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Changes and Differences from ISO 27002:2013

27002:2022/8.34 replace 27002:2013/(12.7.1)

Although the 2022 version is similar to the 2013 version to great extent, there are two key differences.

ISO 27002:2022 Version Introduces a New Requirement

2022 version introduces the following requirement that was not referred to in the 2013 version:

If an access request is authorised, organisations should first verify that devices used to access systems meet the security requirements before they provide access.

2022 Version Addresses Testing and Development Environments

In the Supplementary Guidance, the 2022 version cautions organisations against the security risks due to audits performed on testing and development environments. The 2013 version, on the contrary, did not refer to the testing and development environments.

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New Controls

ISO/IEC 27002:2022 Control IdentifierISO/IEC 27002:2013 Control IdentifierControl Name
5.7NewThreat intelligence
5.23NewInformation security for use of cloud services
5.30NewICT readiness for business continuity
7.4NewPhysical security monitoring
8.9NewConfiguration management
8.10NewInformation deletion
8.11NewData masking
8.12NewData leakage prevention
8.16NewMonitoring activities
8.23NewWeb filtering
8.28NewSecure coding

Organisational Controls

ISO/IEC 27002:2022 Control IdentifierISO/IEC 27002:2013 Control IdentifierControl Name
5.105.1.1, 05.1.2Policies for information security
5.206.1.1Information security roles and responsibilities
5.306.1.2Segregation of duties
5.407.2.1Management responsibilities
5.506.1.3Contact with authorities
5.606.1.4Contact with special interest groups
5.7NewThreat intelligence
5.806.1.5, 14.1.1Information security in project management
5.908.1.1, 08.1.2Inventory of information and other associated assets
5.1008.1.3, 08.2.3Acceptable use of information and other associated assets
5.1108.1.4Return of assets
5.12 08.2.1Classification of information
5.1308.2.2Labelling of information
5.1413.2.1, 13.2.2, 13.2.3Information transfer
5.1509.1.1, 09.1.2Access control
5.1609.2.1Identity management
5.17 09.2.4, 09.3.1, 09.4.3Authentication information
5.1809.2.2, 09.2.5, 09.2.6Access rights
5.1915.1.1Information security in supplier relationships
5.2015.1.2Addressing information security within supplier agreements
5.2115.1.3Managing information security in the ICT supply chain
5.2215.2.1, 15.2.2Monitoring, review and change management of supplier services
5.23NewInformation security for use of cloud services
5.2416.1.1Information security incident management planning and preparation
5.2516.1.4Assessment and decision on information security events
5.2616.1.5Response to information security incidents
5.2716.1.6Learning from information security incidents
5.2816.1.7Collection of evidence
5.2917.1.1, 17.1.2, 17.1.3Information security during disruption
5.30NewICT readiness for business continuity
5.3118.1.1, 18.1.5Legal, statutory, regulatory and contractual requirements
5.3218.1.2Intellectual property rights
5.3318.1.3Protection of records
5.3418.1.4Privacy and protection of PII
5.3518.2.1Independent review of information security
5.3618.2.2, 18.2.3Compliance with policies, rules and standards for information security
5.3712.1.1Documented operating procedures

People Controls

ISO/IEC 27002:2022 Control IdentifierISO/IEC 27002:2013 Control IdentifierControl Name
6.107.1.1Screening
6.207.1.2Terms and conditions of employment
6.307.2.2Information security awareness, education and training
6.407.2.3Disciplinary process
6.507.3.1Responsibilities after termination or change of employment
6.613.2.4Confidentiality or non-disclosure agreements
6.706.2.2Remote working
6.816.1.2, 16.1.3Information security event reporting

Physical Controls

ISO/IEC 27002:2022 Control IdentifierISO/IEC 27002:2013 Control IdentifierControl Name
7.111.1.1Physical security perimeters
7.211.1.2, 11.1.6Physical entry
7.311.1.3Securing offices, rooms and facilities
7.4NewPhysical security monitoring
7.511.1.4Protecting against physical and environmental threats
7.611.1.5Working in secure areas
7.711.2.9Clear desk and clear screen
7.811.2.1Equipment siting and protection
7.911.2.6Security of assets off-premises
7.1008.3.1, 08.3.2, 08.3.3, 11.2.5Storage media
7.1111.2.2Supporting utilities
7.1211.2.3Cabling security
7.1311.2.4Equipment maintenance
7.1411.2.7Secure disposal or re-use of equipment

Technological Controls

ISO/IEC 27002:2022 Control IdentifierISO/IEC 27002:2013 Control IdentifierControl Name
8.106.2.1, 11.2.8User endpoint devices
8.209.2.3Privileged access rights
8.309.4.1Information access restriction
8.409.4.5Access to source code
8.509.4.2Secure authentication
8.612.1.3Capacity management
8.712.2.1Protection against malware
8.812.6.1, 18.2.3Management of technical vulnerabilities
8.9NewConfiguration management
8.10NewInformation deletion
8.11NewData masking
8.12NewData leakage prevention
8.1312.3.1Information backup
8.1417.2.1Redundancy of information processing facilities
8.1512.4.1, 12.4.2, 12.4.3Logging
8.16NewMonitoring activities
8.1712.4.4Clock synchronization
8.1809.4.4Use of privileged utility programs
8.1912.5.1, 12.6.2Installation of software on operational systems
8.2013.1.1Networks security
8.2113.1.2Security of network services
8.2213.1.3Segregation of networks
8.23NewWeb filtering
8.2410.1.1, 10.1.2Use of cryptography
8.2514.2.1Secure development life cycle
8.2614.1.2, 14.1.3Application security requirements
8.2714.2.5Secure system architecture and engineering principles
8.28NewSecure coding
8.2914.2.8, 14.2.9Security testing in development and acceptance
8.3014.2.7Outsourced development
8.3112.1.4, 14.2.6Separation of development, test and production environments
8.3212.1.2, 14.2.2, 14.2.3, 14.2.4Change management
8.3314.3.1Test information
8.3412.7.1Protection of information systems during audit testing
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