Which tool should an administrator use to identify and fix potential session vulnerabilities?

Setup Audit Trail tracks changes made to the Salesforce configuration by administrators and users with 'Customize Application' permission, not for identifying session vulnerabilities.

Field History Tracking records changes to specific field values on records, primarily for auditing data changes, not for assessing overall org security or session vulnerabilities.

Organization-Wide Defaults (OWD) determine the baseline record access for all users for each object, which is a security setting but not a tool for *identifying and fixing* vulnerabilities across all security areas, including session settings.

Security Health Check is a Salesforce tool that provides an overall security score and identifies potential vulnerabilities in an organization's security settings, including session settings that might impact security. It recommends best practices and offers a centralized way to address various security risks, including session vulnerabilities.