The role of an information security officer (ISO) is to protect an organization's information assets by developing and implementing security policies, protocols, and training programs. They assess vulnerabilities, manage risk assessments, and ensure compliance with relevant regulations. The ISO collaborates with various departments to create a culture of security, addressing potential threats ranging from cyberattacks to data breaches. Additionally, they stay updated on evolving security trends and technologies, ensuring the organization maintains robust defenses against emerging risks.