The management system that governs how an organization identifies, treats, and monitors information security risks, defined primarily by ISO/IEC 27001.
An Information Security Management System (ISMS) is the set of policies, processes, and controls that protect the confidentiality, integrity, and availability of information. ISO/IEC 27001 is the leading standard for an ISMS and can be certified by an accredited body.
At its core, an ISMS runs a continual cycle: define scope and context, assess risks, select and apply controls, monitor performance, and improve. Evidence such as the risk register, Statement of Applicability, and audit records demonstrates that the system works in practice.
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