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ISO 27001 Resources

Practical Guides from
ISO 27001 Practitioners

No fluff, no upselling. Just the information you need to get certified, stay compliant, and understand what auditors actually check.

31
In-depth articles
1,000+
Words per guide
100%
Practitioner-written
Strategy
?Enterprise customer requires it?
?Handling sensitive data?
?Entering regulated markets?
5 min read

Do I Need ISO 27001? How to Decide in 5 Minutes

Not sure if ISO 27001 is right for your business? Use these 5 decision questions to determine whether certification will open doors or just add overhead.

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Cost & Planning
Cert body fees€3k–€8k
Templatesfrom €299
Consultingfrom €299/mo
Staff timevaries
6 min read

ISO 27001 Certification Cost: What You'll Pay in 2026

Honest cost breakdown covering certification body fees, consultant costs, tooling, and staff time — with real ranges by company size.

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Implementation
Days 1–30Scope & gap analysis
Days 31–60Policies & risk
Days 61–90Evidence & audit
8 min read

ISO 27001 for SaaS Startups: A Practical 90-Day Roadmap

How lean SaaS teams can achieve ISO 27001 certification without hiring a full-time compliance person or missing sprint deadlines.

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Documentation
SoA must include:
All 93 Annex A controls
Inclusion/exclusion rationale
Implementation status
7 min read

How to Write a Statement of Applicability That Passes Audit

The SoA is one of the most misunderstood ISO 27001 deliverables. Here's exactly what auditors look for — and the mistakes that create findings.

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Certification
Stage 1Document review
Stage 2On-site audit
SurveillanceAnnual check-in
7 min read

The ISO 27001 Certification Process: Stage 1, Stage 2, and Beyond

A clear walkthrough of what happens in Stage 1 and Stage 2 audits, how to choose a certification body, and what to expect during surveillance audits.

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Risk Management
Identify
Assets
Assess
Likelihood × Impact
Treat
Accept / Mitigate
9 min read

ISO 27001 Risk Assessment: A Step-by-Step Guide for Non-Security Experts

Clause 6.1 and 8.2 require a formal risk assessment. Here is how to complete it correctly — even without a deep information security background.

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Annex A
A.5 Org
37 controls
A.6 People
8 controls
A.7 Physical
14 controls
A.8 Tech
34 controls
12 min read

ISO 27001 Annex A Controls Explained: All 93 Controls in Plain English

Every ISO 27001:2022 Annex A control explained clearly — what it means, what evidence auditors look for, and which ones are most commonly failed.

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Audit
PlanScope & schedule
ExecuteEvidence review
ReportFindings & actions
8 min read

How to Run Your ISO 27001 Internal Audit (Without Hiring a Specialist)

Clause 9.2 requires internal audits. Here is a practical guide to planning, executing, and reporting an internal audit your certification body will accept.

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Strategy
ISO 27001
Global · EU · Enterprise
SOC 2
US market focus
5 min read

ISO 27001 vs SOC 2: Which Should You Pursue First?

A side-by-side comparison for founders deciding between the two dominant frameworks, with decision criteria based on customer geography and market.

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Small Business
10–20 staff8–14 weeks
20–50 staff12–18 weeks
50+ staff16–24 weeks
6 min read

ISO 27001 for Small Businesses: Is It Worth It (and How to Do It)?

ISO 27001 is not just for large enterprises. This guide explains how companies with 10–50 people can achieve certification efficiently and affordably.

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Common Questions
"It takes 2 years"
"You need perfect security"
"Only for big companies"
6 min read

10 ISO 27001 Myths That Are Costing Companies Time and Money

From "you need perfect security to certify" to "it takes two years", these myths stop businesses from starting. Here is the truth behind each one.

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Ongoing Compliance
Month 12Surveillance audit 1
Month 24Surveillance audit 2
Month 36Recertification
7 min read

Maintaining ISO 27001 After Certification: What You Must Do Each Year

Getting certified is the beginning, not the end. Here is exactly what your annual surveillance audit requires — and how to stay compliant between audits.

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Documentation
12+
Policies
15+
Records
25+
Recommended
9 min read

ISO 27001 Document List: Every Mandatory Policy and Record Required

A complete reference of every mandatory policy, procedure, and record ISO 27001:2022 requires — with clause numbers and guidance on what auditors check.

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Planning
Startup3–5 months
SMB5–9 months
Mid-market9–14 months
7 min read

How Long Does ISO 27001 Take? Realistic Timelines by Company Size

The honest answer: 3 to 18 months, depending on scope, team size, and approach. A phase-by-phase breakdown so you can build a realistic plan.

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Audit Prep
DocumentationStage 1 focus
RecordsPrimary Stage 2
System outputsTechnical proof
8 min read

ISO 27001 Evidence: What Auditors Actually Look For in Stage 2

Policies describe your ISMS. Evidence proves it operates. A guide to the 5 evidence types auditors accept and the gaps that cause non-conformities.

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Implementation
WhatServices & activities
WhereLocations & systems
ExclusionsWith justification
6 min read

ISO 27001 Scope Statement: How to Define It Correctly (With Examples)

The scope sets the boundary for your entire certification. Get it wrong and your certificate may not satisfy customers. Real examples and common mistakes explained.

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Policies
Clause 5.2 requires:
Management commitment
Security objectives
Continual improvement
6 min read

How to Write an ISO 27001 Information Security Policy

Clause 5.2 requires a top-level policy approved by management. Here is exactly what it must include, what it does not need, and how to structure it for audit.

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Implementation
Clauses 4–10Compliant / Partial / Gap
Annex A Controls93 to assess
OutputImplementation plan
7 min read

How to Conduct an ISO 27001 Gap Assessment

A gap assessment tells you exactly how far you are from certification before you spend a penny on implementation. Here is how to run one in a day.

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Risk
Mitigate
Accept
Transfer
Avoid
6 min read

ISO 27001 Risk Treatment Plan: How to Build One That Passes Audit

The risk treatment plan turns your risk assessment into action. Here is exactly what it must contain, how it links to your SoA, and what auditors check.

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Controls
A.5.19Supplier security policy
A.5.20Supplier agreements
A.5.21ICT supply chain
A.5.22Annual reviews
7 min read

ISO 27001 Supplier Management: Controlling Third-Party Security Risk

Every supplier with access to your systems or data is a risk you are responsible for. Here is how to manage them under Annex A.5.19–5.22.

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Controls
1Detect
2Report
3Assess
4Respond
5Recover
6 min read

ISO 27001 Incident Management: Building a Process That Satisfies Auditors

ISO 27001 requires you to detect, respond to, and learn from every security incident. Here is what your process must cover and what records to keep.

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Controls
JoinersProvision access
MoversUpdate permissions
LeaversRevoke same day
7 min read

ISO 27001 Access Control: What Annex A.5.15 Actually Requires

Access control is one of the most-sampled controls in Stage 2. Here is what your policy, provisioning process, and access reviews must look like to pass audit.

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Controls
A.5.29Business continuity planning
A.5.30ICT readiness for disruption
A.8.13Backup controls
7 min read

ISO 27001 Business Continuity: What You Actually Need to Implement

ISO 27001 requires you to plan for disruption — but not in the way most guides suggest. Here is what Annex A.5.29–5.30 actually requires and what auditors look for.

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Controls
Pre-hire
During
Exit
6 min read

ISO 27001 HR Security: What Annex A.6 Requires at Every Employment Stage

HR security controls apply before someone joins, while they work for you, and after they leave. Here is what ISO 27001 Annex A.6 requires at each stage.

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Controls
At restAES-256 / equivalent
In transitTLS 1.2+
Key lifecycleGenerate → Revoke → Destroy
6 min read

ISO 27001 Cryptography Policy: What Annex A.8.24 Requires

A cryptography policy is required by ISO 27001 — but most organisations get the scope wrong. Here is what it must cover and what evidence auditors request.

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Controls
Cloud providerInfrastructure security
Your teamIAM, config, monitoring
A.5.23Policy + evidence required
7 min read

ISO 27001 Cloud Security: What the 2022 Version Added and What Auditors Check

ISO 27001:2022 added cloud security as a dedicated control. Here is what A.5.23 requires, how it differs from your cloud provider's compliance, and what evidence you need.

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Governance
FrequencyAt planned intervals
AttendeesTop management required
MinutesMandatory evidence
9 inputsClause 9.3 specifies all
6 min read

ISO 27001 Management Review: What Clause 9.3 Requires and How to Run One

Management review is one of the most evidence-checked clauses in Stage 2. Here is what your review must cover, who must attend, and what the minutes need to contain.

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Implementation
Phase 1Mandatory documents
Phase 2Operational controls
Phase 3Evidence collection
Phase 4Audit readiness
8 min read

ISO 27001 Certification Checklist: Everything You Need

A complete ISO 27001 certification checklist covering documentation, controls, evidence, and audit readiness. Use this to track your implementation from gap to certified.

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Compliance
ISO 27001
Voluntary · Certificate
GDPR
Mandatory · Regulation
7 min read

ISO 27001 vs GDPR: How They Overlap and Differ

ISO 27001 and GDPR both address information security but serve different purposes. Learn how they overlap, where they differ, and whether achieving one helps with the other.

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2022 Standard
2013114 controls, 14 domains
202293 controls, 4 themes
New11 brand-new controls
7 min read

ISO 27001:2022 Changes: What's New vs the 2013 Version

ISO 27001 was revised in 2022. Here's exactly what changed: the new Annex A structure, 11 new controls, and what organisations certifying or recertifying need to know.

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