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ISMS Explained: What It Is and Why It Matters

21 November 2025

Knowledge

ISO 27001

ISO 27001 is the international standard that provides the specification and requirements for implementing an ISMS – a system of processes, documents, technology and people that helps to manage, monitor, audit and improve your organisation’s information security.

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The key benefits of implementing an ISMS

  • Secures your information in all forms
    An ISMS helps protect all forms of information, including digital, paper-based, intellectual property, company secrets, data on devices and in the Cloud, hard copies and personal information.
  • Increase your attack resilience
    Implementing and maintaining an ISMS will significantly increase  your organisation’s resilience to cyber attacks.
  • Reduce information security costs
    Thanks to the risk assessment and analysis approach of an ISMS, organisations can reduce costs spent on indiscriminately adding layers of defensive technology that might not work.
  • Respond to evolving security threats
    Constantly adapting to changes both in the environment and inside the organisation, an ISMS reduces the threat of continually evolving risks.
  • Improve company culture
    The Standard’s holistic approach covers the whole organisation, not just IT, and encompasses people, processes and technology. This enables employees to readily understand risks and embrace security controls as part of their everyday working practices.
  • Offers organisation-wide protection
    An ISMS protects your entire organisation from technology-based risks and other, more common threats, such as poorly informed staff or ineffective procedures.
  • Provides a central framework
    An ISMS provides a framework for keeping your organisation’s information safe and managing it all in one place.
  • Protects confidentiality of data
    An ISMS offers a set of policies, procedures, technical and physical controls to protect the confidentiality, availability and integrity of information.