ISO 27001 requirements

ISO 27001 framework; All about ISO 27001 requirements


The core ISO 27001 necessities standard are outlined beginning from clause 4.1 to clause 10.2. Always remember that ISO consultant can help you to improve your organisation. Below is a list of all the ISO 27001 clauses with a summary for each:

Clause 4.1 Understanding the organisation and its context; ISO 27001 requirement 

Clause 4.1 of the ISO 27001 requirements is the starting point of every successful ISO 27001 implementation. The organisation seeking certification must identify the external and internal issues relative to its operation, which has the potential of compromising its ability to reach the intended outcome of its information security management system (ISMS).

ISO 27001 requirements; ISO 27001 2013

4.2 Understanding the needs and expectations of interested parties ISO 27001

Clause 4.2 of the ISO 27001 requirements is about identifying interested parties ISO 27001  and their conditions pertinent to the ISMS measurable objectives; Interested party necessities may be legal, regulatory, or contractual.

4.3 Determining the scope of the ISMS

This clause involves creating a document determining the scope of your ISMS measurable objectives and delimiting its boundaries and applicability. In crafting the ISMS scope document, the following elements must be considered:

  • External and internal issues (4.1)
  • Requirements of its interested parties ISO 27001 (4.2)
  • Interfaces and dependencies between business activities

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4.4 ISMS measurable objectives standards; ISO 27001 needs

Clause 4.4 states that organisations must create, implement, maintain, and continually improve an ISMS, as per the ISO 27001 2013 standard necessities. ISO 27001 implementation cost is very important to all of the managers of organizations; Especially financially! We suggest you to read the related article.

5.1 Leadership and commitment concept in ISO 27001 requirement

This clause highlights the value of having upper management demonstrate leadership and commitment through visible and material support for information security. If you are not familiar with the concept of benefits of ISO 27001, Without wasting time click on the link and read the article.

5.2 Information security policy

This clause dictates that upper management must elaborate an information security policy to clarify organisational information security objectives and reiterate their commitment to satisfying its information security necessities. 

the scope of the ISMS; ISO 27001 necessities

5.3 Organisational roles, responsibilities, and authorities

Clause 5.3 requires upper management to clearly define roles, obligations, and authorities for the ISMS.

6.1 Actions to address risks and opportunities

Clause 6 explains that the organisation must have plans in place that cover:

  • actions being taken for the identification, assessment, and remediation of these risks and opportunities 
  • how these actions will be integrated and implemented into ISMS processes and what is ISO 27001
  • how these actions will be evaluated and continually monitored 

6.2 Information security objectives and planning

This clause makes high-level organisational objectives more relevant and ISMS measurable objectives to information security activities, especially with protecting confidentiality, integrity, and data availability.

7.1 Resources, impact of resources in the process of obtaining ISO 27001 2013

Clause 7.1 requires that sufficient resources be allocated to establishing, implementing, maintaining, and continually improving the ISMS.

7.2 Competence; ISO 27001 necessities

The ISO 27001 2013 clause 7.2 states that organisations must determine the required competency level for each role within the ISMS and decide if it should be documented by elaborating a position description. The organisation should also assign roles within the ISMS to employees based on their aptitudes.

7.3 Awareness; ISO 27001 needs

Clause 7.3 states that all relevant interested parties ISO 27001 must be aware, while working, of the following:

  • The information security policy
  • How their input contributes to making the ISMS more effective 
  • The consequences of when the ISMS does not comply with requirements 

7.4 Communication; ISO 27001 2013

The organisation must determine the level of internal and external communication appropriate for the ISMS measurable objectives. It must also decide on what, when, and with whom to communicate, who will be communicating, and the processes by which communication shall be achieved.

Leadership and commitment concept in ISO 27001 requirements

7.5 Documented information; ISO 27001 2013 standard

The importance of accurate, properly maintained and easily accessible documentation cannot be overstated when implementing the ISO 27001 2013 standard. The purpose of documentation is to illustrate your organisation’s ISMS, its intended outcomes, and the approach used to achieve them. 

8.1 Operational planning and control

This clause states that when planning, implementing and controlling relevant processes, the ISMS measurable objectives must comply with requirements 6.1, 6.2 and 7.5. Documentation must be kept to ensure processes have been carried out as intended. As needed, planned and unplanned changes controls must be put in place, with corrective action taken to mitigate undesirable effects. 

8.2 Information security risk assessment

Information security risk assessments must be documented and conducted at scheduled times or when a change warrants it. This clause is fulfilled by meeting the requirements of ISO 27001 clauses 6.1 and 6.2.

8.3 Information security risk treatment

An information security risk treatment plan must be implemented and its results documented, as per clause 6.1 requirements. 

9.1 Monitoring, measurement, analysis and evaluation

This clause requires the evaluation of knowledge security performance which is the effectiveness of the ISMS measurable objectives, to help the organisation determine whether its intended outcome of data security activities is reached as expected.

ISO 27001 needs list

9.2 Internal ISO 27001 audit

Clause 9.2 states that frequent pre-planned internal audits must be conducted to determine if the ISMS is effectively implemented, properly maintained, and aligned with the ISO 27001 certification.

9.3 Management review

Upper management is responsible for conducting recurring and frequent ISO 27001 management reviews to ensure the ISMS supports organisation goals. 

10.1 Nonconformity and corrective action

This clause falls under the ISO 27001 improvement requirement. It highlights the importance of corrective action plans and their pivotal role in the ISMS’ improvement process.

10.2 Continual improvement

The standard’s biggest strength is ever-evolving through its constant assessing, testing, reviewing and performance of the ISMS measurable objectives. Thus, continual evaluation and improvement are engrained in the fabric of the ISO 27001 requirements. Beside ISO 27001 2013, having the ISO 45001 certification is important for any organisations as well. If you want to know more about it, please click on the related link and read the article.

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