ISO 27001 (formally known as ISO/IEC 27001:2005) is a specification for an information security management system (ISMS). An ISMS is a framework of policies and procedures that includes all legal, physical and technical controls involved in an organization's information risk management processes.
An ISO 27001 information security management system is a systematic and pro-active approach to effectively managing risks to the security of your company’s confidential information.
According to its documentation, ISO 27001 was developed to "provide a model for establishing, implementing, operating, monitoring, reviewing, maintaining and improving an information security management system."
The system promotes efficient management of sensitive corporate information, highlighting vulnerabilities to ensure it is adequately protected against potential threats. It encompasses people, process and IT systems.
ISO 27001 uses a top down, risk-based approach and is technology-neutral. The specification defines a six-part planning process:
The specification includes details for documentation, management responsibility, internal audits, continual improvement, and corrective and preventive action. The standard requires cooperation among all sections of an organisation.
The 27001 standard does not mandate specific information security controls, but it provides a checklist of controls that should be considered in the accompanying code of practice, ISO/IEC 27002:2005. This second standard describes a comprehensive set of information security control objectives and a set of generally accepted good practice security controls.
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