Book excerpt: Recommended textbook for the Open University’s postgraduate information security course and the recommended text for all IBITGQ ISO 27001 courses In this updated edition, renowned ISO 27001/27002 experts Alan Calder and Steve Watkins: Discuss the ISO 27001/27002:2022 updates; Provide guidance on how to establish a strong IT governance system and an ISMS (information security management system) that complies with ISO 27001 and ISO 27002; Highlight why data protection and information security are vital in our ever-changing online and physical environments; Reflect on changes to international legislation, e.g. the GDPR (General Data Protection Regulation); and Review key topics such as risk assessment, asset management, controls, security, supplier relationships and compliance. Fully updated to align with ISO 27001/27002:2022 IT Governance – An international guide to data security and ISO 27001/ISO 27002, Eighth edition provides: Expert information security management and governance guidance based on international best practice; Guidance on how to protect and enhance your organisation with an ISO 27001:2022-compliant ISMS; and Discussion around the changes to international legislation, including ISO 27001:2022 and ISO 27002:2022. As cyber threats continue to increase in prevalence and ferocity, it is more important than ever to implement a secure ISMS to protect your organisation. Certifying your ISMS to ISO 27001 and ISO 27002 demonstrates to customers and stakeholders that your organisation is handling data securely.