Which role focuses on the implementation of security in information systems?

The role that focuses on the implementation of security in information systems is IAM, which stands for Identity and Access Management. This role is critical in ensuring that individuals have the appropriate access to information systems and data, while safeguarding those systems against unauthorized access and potential security breaches.

IAM encompasses various practices and technologies that help organizations control who can access what information and resources. By establishing policies for managing user identities and governing access permissions, IAM serves as a foundational element of an organization's security posture.

The other roles mentioned, such as IA Vulnerability Management, are more focused on identifying vulnerabilities and ensuring that systems are hardened against potential threats rather than directly managing access controls and identity security. The Information Assurance Officer (IAO) typically has oversight responsibilities related to compliance and risk management within the broader information assurance framework, and NAVCYBERFOR is a command that performs various functions related to cybersecurity within the Navy. While these roles contribute to the overall security of information systems, their primary focus is not on the implementation of security measures for identity and access management like IAM.