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ISO 27001 Requirements

Complete Guide to ISO 27001 Requirements

Understand all 93 security controls and mandatory requirements for ISO 27001 certification. From organizational policies to technical controls, get the complete roadmap.

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93
Total Controls
Comprehensive security controls across 4 themes
10
Mandatory Clauses
Core ISMS requirements that must be implemented
4
Control Themes
Organizational, People, Physical, and Technological
100%
Customizable
Controls can be tailored to your organization

Core ISMS Requirements

These fundamental requirements form the foundation of your Information Security Management System

Information Security Management System (ISMS)

Establish, implement, maintain and continually improve an ISMS

  • Define ISMS scope and boundaries
  • Establish information security policy
  • Conduct risk assessment and treatment
  • Implement Statement of Applicability (SoA)

Leadership and Commitment

Top management must demonstrate leadership and commitment

  • Ensure ISMS achieves intended outcomes
  • Integrate ISMS requirements into business processes
  • Provide resources for ISMS
  • Communicate importance of effective information security

Risk Management

Systematic approach to managing information security risks

  • Establish risk assessment process
  • Identify information security risks
  • Analyze and evaluate risks
  • Select and implement risk treatment options

Performance Evaluation

Monitor, measure, analyze and evaluate ISMS performance

  • Monitor and measure ISMS performance
  • Conduct internal audits
  • Management review
  • Continual improvement

Detailed Security Controls

Explore the 93 security controls organized by the 4 themes of ISO 27001:2022. Each control includes specific implementation requirements and guidance.

Organizational Controls

Leadership, policies, and organizational structure

37 Controls

People Controls

Human resources and personnel security

8 Controls

Physical Controls

Physical security and environmental protection

14 Controls

Technological Controls

Technology and system security controls

34 Controls
A.5Mandatory

Information Security Policies

Establish and maintain information security policies

Medium

Implementation Requirements

  • Information security policy document
  • Topic-specific policies (acceptable use, access control, etc.)
  • Regular policy review and approval process
  • Communication of policies to all personnel
A.6Mandatory

Organization of Information Security

Define roles, responsibilities, and management structure

High

Implementation Requirements

  • Information security roles and responsibilities
  • Segregation of duties
  • Contact with authorities and special interest groups
  • Information security in project management
A.8Mandatory

Asset Management

Identify and protect organizational assets

High

Implementation Requirements

  • Inventory of assets
  • Ownership of assets
  • Acceptable use of assets
  • Return of assets
  • Information classification
A.5.1Mandatory

Information Security Policy

Management direction and support for information security

Medium

Implementation Requirements

  • Information security policy
  • Policy communication
  • Policy review and updates
  • Management commitment

Implementation Roadmap

Follow this structured approach to implement ISO 27001 requirements systematically and efficiently

1

Scope Definition

1-2 weeks

Define the boundaries and applicability of the ISMS

Key Deliverables

  • ISMS scope document
  • Asset inventory
  • Risk register
2

Risk Assessment

3-4 weeks

Identify, analyze and evaluate information security risks

Key Deliverables

  • Risk assessment methodology
  • Risk register
  • Risk treatment plan
3

Control Selection

2-3 weeks

Select appropriate controls based on risk treatment decisions

Key Deliverables

  • Statement of Applicability
  • Control objectives
  • Implementation plan
4

Implementation

8-12 weeks

Implement selected controls and establish procedures

Key Deliverables

  • Implemented controls
  • Policies and procedures
  • Training materials
5

Monitoring & Review

Ongoing

Monitor effectiveness and conduct management review

Key Deliverables

  • Monitoring reports
  • Internal audit results
  • Management review

Ready to Get Started?

Use our comprehensive checklist to track your progress through all ISO 27001 requirements and ensure nothing is missed.

Gap Analysis Complete

Assess current state against ISO 27001 requirements

ISMS Scope Defined

Clearly define boundaries and applicability

Risk Assessment Done

Identify and evaluate information security risks

Controls Implemented

Deploy selected security controls and procedures

Documentation Complete

All policies, procedures, and records in place

Requirements Summary

Organizational Controls
14 controls
15%
People Security
7 controls
8%
Physical & Environmental
15 controls
16%
Technical Controls
34 controls
37%
Supplier Relationships
15 controls
16%
Incident Management
8 controls
8%

Note: Not all controls may be applicable to your organization. The Statement of Applicability (SoA) determines which controls to implement.

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