An Information Security Officer (ISO) is a person who is responsible for all matters relating to information security within an organization. This role includes assigning responsibilities and being accountable for operational tasks in the area of information security. The ISO plays a central role in implementing and maintaining an Information Security Management System (ISMS) in accordance with ISO/IEC 27001. ISO/IEC 27001 is an international standard for information security management systems that defines best practices and requirements for managing information security risks.
The Information Security Officer:
An ISO should have in-depth knowledge and experience in both information security and IT. In addition, it is important that they have a good understanding of the institution’s business processes.
To safeguard independence, the ISO should report directly to top management. Integrating the role into the IT department can lead to role conflicts, as the ISO may then be unable to independently monitor security measures. Combining the ISO role with that of the Data Protection Officer should also be avoided—unless the interfaces between both areas of responsibility are clearly defined in order to prevent role conflicts.
You can read more about the role of the Information Security Officer and the topic of information security in general here.