ISO/IEC 27001 is the internationally recognized standard for information security management systems (ISMS). Certification by an body confirms that a company meets requirements for IT security and data protection. The audit process assesses risks, controls, and organizational processes to verify compliance with the standard. Prerequisites for certification include implementing the required security measures according to ISO/IEC 27001. ISO/IEC 27001 provides companies with a reliable framework for information security management and data protection.