The practical ISO 27001 implementation guide
Build an information security management system with a clearer plan.
Learn how to assess risks, select controls, prepare evidence, and keep
your ISO 27001 program moving beyond the audit.
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What you’ll learn in this implementation guide
Move from scattered tasks to a structured information security management system (ISMS). This guide takes you through the key steps, decisions, and evidence to consider when implementing ISO 27001.
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Define your scope and ownership
Set the boundaries of your ISMS, identify key stakeholders, and clarify who is responsible for decisions and progress.
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Assess your starting point
Review existing policies, processes, and controls to identify gaps and prioritize the work ahead.
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Assess and treat information security risks
Use a consistent approach to evaluate risks, assign owners, and document treatment decisions.
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Select controls and build your Statement of Applicability
Understand how to determine necessary controls, compare them with Annex A, and record the reasoning behind your decisions.
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Test controls and organize evidence
Identify what demonstrates a control is operating, review evidence against clear criteria, and track gaps through to resolution.
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Prepare for audit and ongoing improvement
Plan for internal audit and management review, address findings, and keep your ISMS working beyond certification.
