Getting started: your certification roadmap
A typical first certification takes 6–12 months depending on size and maturity.
Get buy-in
Secure a sponsor, budget and a project lead. Explain the business case.
Define scope
Decide which parts of the business, locations and systems are in (clause 4.3).
Gap analysis
Compare where you are against clauses 4–10 and Annex A.
Risk assessment
Choose a method, assess risks, and decide treatments (6.1, 8.2).
Statement of Applicability
List all 93 controls, mark applicable or not, and justify each.
Implement controls & policies
Write policies, roll out controls, train staff (clauses 7–8).
Operate & measure
Run the ISMS for a few months, collect metrics (9.1).
Internal audit & management review
Audit the full ISMS and hold a management review (9.2, 9.3).
Stage 1 audit
Certification body reviews your documentation and readiness.
Stage 2 audit
Auditor tests that the ISMS works in practice. Pass → certificate (valid 3 years).
Surveillance
Annual surveillance audits, then recertification in year 3.
Core documents checklist
- ISMS scope (4.3)
- Information security policy (5.2)
- Risk assessment & treatment methodology (6.1)
- Statement of Applicability (6.1.3)
- Risk treatment plan (6.1.3, 8.3)
- Security objectives (6.2)
- Competence evidence (7.2)
- Risk assessment results (8.2)
- Monitoring & measurement results (9.1)
- Internal audit programme & results (9.2)
- Management review results (9.3)
- Nonconformities & corrective actions (10.2)
