ISO/IEC 27001:2022 Handbook guides small and medium-sized enterprises (SMEs) in developing and implementing an information security management system (ISMS) in accordance with ISO/IEC 27001, in order to help protect themselves from cyber risks. SMEs can use the handbook to obtain a brief summary of the requirements on the clauses and subclauses of ISO/IEC 27001. The handbook also includes examples and case studies to help SMEs with limited resources to understand and apply the standards reducing the need of extensive expertise or significant financial investment.