ISO/IEC 27001 is the international standard for Information Security Management Systems (ISMS). Its purpose is to help organizations protect sensitive information in a systematic, risk-based way.
Key Objectives
Ensure confidentiality, integrity, and availability of information.
Provide a risk management framework to identify, assess, and treat information security risks.
Demonstrate compliance to stakeholders, regulators, and clients.
Core Requirements
Context of the Organization – Understand internal/external issues, interested parties, and scope of the ISMS.
Leadership & Governance – Top management commitment, security policy, roles and responsibilities.
Planning – Risk assessment, risk treatment, objectives, continual improvement.
Support – Resources, competence, awareness, communication, documented information.
Operation – Risk management activities, control implementation, supplier/third-party considerations.
Performance Evaluation – Monitoring, measurement, internal audits, management reviews.
Improvement – Corrective actions, continual improvement of ISMS.
Annex A Controls (ISO/IEC 27001:2022)
Controls are grouped into four main themes (93 controls total):
Organizational controls (policies, risk management, supplier relationships).
People controls (training, access control, user responsibilities).
Physical controls (secure areas, equipment security, facility access).
Technological controls (encryption, logging, network security, monitoring).