The primary function of an information security officer is to oversee the protection of an organization's information assets and manage risks related to data security. This role involves developing and implementing security policies, strategies, and practices to safeguard sensitive information from breaches, loss, or misuse. The officer also conducts risk assessments, monitors compliance with regulations, and provides training to staff regarding security awareness. Ultimately, their goal is to ensure the organization's data integrity, availability, and confidentiality are maintained against evolving threats.