The role of an IT auditor in organizations involves evaluating the effectiveness of IT systems and controls to ensure data integrity, confidentiality, and availability. They assess compliance with relevant regulations, policies, and procedures and identify any potential risks related to IT operations. By conducting audits, these professionals provide valuable insights into the organization's technology practices, helping to mitigate risks and enhance overall governance. Their work not only ensures compliance but also contributes to better strategic decision-making regarding IT investments and improvements.