A data custodian is responsible for which of the following?

The role of a data custodian encompasses a variety of responsibilities related to the management and protection of data throughout its lifecycle. The correct answer highlights that the data custodian is accountable for the safe custody, transport, and storage of data. This includes ensuring data integrity, confidentiality, and availability, which are crucial for maintaining the overall security posture of an organization.

In addition to physical and logical security of data, the data custodian also implements business rules and policies guiding data usage. This involves adhering to regulatory requirements and internal policies, ensuring that data handling practices align with best practices for data governance.

Overall, the data custodian plays a critical role in the operational aspects of data management, providing oversight and executing measures that protect sensitive information from unauthorized access, loss, or corruption. This responsibility is vital in cloud environments where data may traverse multiple boundaries and be stored across various locations.