ISO 27001 Annex : 18.2 Information Security Reviews

Its objective is to ensure that information security is enforced and managed in compliance with organizational policies and procedures.

A.18.2.1 Independent Review of Information Security

Control- A proposed or major improvement should be taken into account internally for the organization’s approach to information security management and execution, (ie. control objectives, controls, policies, processes, and procedures for information security).

Implementation Guidance

The independent review will be conducted by the board. Such an independent review is required to ensure that the organization ‘s approach to information security management remains consistent, appropriate, and efficient. The analysis will include an assessment of improvement opportunities and the need to change the security approach, including policy and control objectives. Such a review would need to be conducted by people independently of the area being reviewed, e.g. an internal audit function, an independent manager, or a specialized external party organization. Those who conduct these reviews should have the skills and experience needed. The independent review results must be recorded and reported to the management responsible for initiating the review. These records are to be maintained. When, for example, the defined aims and objectives and needs of the company are not met in compliance with the guiding principle for security of information as set out in the information security policy (Refer 5.1.1), management should pursue corrective measures.

Other Information

In addition, the guidance on carrying out an independent review is provided by ISO/27007, the Guidelines on Information Security Management Systems Auditing and ISO / IEC TR 27008 Guidelines for Auditors on Information security controls.

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A.18.2.2 Compliance with Security Policies and Standards

Control

Managers will review on a regular basis compliance with relevant security policies, guidelines, and other security specifications of information processing and procedures within their field of responsibility.

Implementation Guidance

Managers will determine how informationsecurity criteria identified in policies, standards, and other regulations are to be assessed. For efficient routine analysis, automated measuring and reporting tools should be considered.

If any failure to comply results from the review are detected, managers should:-

Identify the reasons of failure to comply;
Assess the need for compliance measures;
Implement effective remedial measures;
Review the steps taken to verify their efficiency and recognize any deficiencies or vulnerabilities.

Details of the managers’ assessments and disciplinary measures should be reported and documented. If an independent review takes place within its area of responsibility, administrators will report the findings to individuals conducting independent reviews (see 18.2.1).

Also Read : ISO 27001 Annex : A.18.1.3 Protection of Records, A.18.1.4 Privacy and Protection of Personally Identifiable Information and A.18.1.5 Regulation of Cryptographic Controls

Other Information

Operational system usage monitoring is entailed in 12.4

A.18.2.3 Technical Compliance Review

Control

Information systems for compliance with the InformationSecurity Policies and practices of an organization should be periodically reviewed.

Implementation Guidance

In order to achieve a subsequent interpretation by a technical specialist, technical compliance should be preferably assessed with the assistance of automated tools. Alternatively, an experienced system engineer could carry out manual reviews (supported by appropriate software tools, if necessary). Caution should be used when penetration tests or vulnerability assessments are used as these practices can lead to a system security compromise. Such tests should be planned, documented, and replicated. Any professional assessment of enforcement should only be conducted by or under the supervision of qualified, approved persons.

Other Information

The technical compliance reviews involve the review of operational systems to ensure proper implementation of hardware and software controls. Specialist professional expertise is required for that form of compliance review. For example, compliance reviews require penetration tests and risk assessments that may be conducted by specially appointed independent experts. This may be useful for detecting system vulnerabilities and assessing the effectiveness of controls in preventing unauthorized access because of these vulnerabilities. The penetration tests and vulnerability assessments include a system snapshot of a specific state at a certain time. The snapshot is limited to certain areas of the device that have already been tested during the attempted penetration. Penetration testing and validation of vulnerability do not substitute risk assessment. Specific technical compliance reviews are given in ISO / IEC TR 27008.

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ISO 27001 Requirements

Clause 4.2 Understanding the needs and expectations of interested parties

Clause 4.4 Information security management system
Clause 4.3 Determining the scope of the information security management system
Clause 5.1 Leadership and commitment
Clause 5.2 Policy
Clause 5.3 Organizational roles, responsibilities and authorities
Clause 6.1 Actions to address risks and opportunities
Clause 6.1.2 Information security risk assessment process
Clause 6.1.3 Information security risk treatment
Clause 6.2 Information security objectives & planning
Clause 7.1 Resources
Clause 7.2 Competence
Clause 7.3 Awareness
Clause 7.4 Communication
Clause 7.5 Documented information Implementation Guideline
Clause 8.1 Operational planning & control
Clause 8.2 Information security risk assessment
Clause 8.3 Information security risk treatment
Clause 9.1 Performance evaluation Monitoring, measurement, analysis & evaluation
Clause 9.2 Internal audit
Clause 9.3 Management review
Clause 10.1 Non conformity and corrective action
Clause 10.2 Continual Improvement

ISO 27001 Annex A Controls

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ISO 27001 Annex : 18.2 Information Security Reviews

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ISO 27001 Requirements

ISO 27001 Annex A Controls

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