Visual Search must be disabled.
Visual Search allows for quick exploration of more related content about entities in an image.
If this policy is enabled or not configured, Visual Search will be enabled via image hover, context menu, and search in Sidebar.
If this policy is disabled, Visual Search will be disabled and more information about images will not be available via hover, context menu, and search in Sidebar.
How this relates to the STIG checklist: STIG vs SCAP benchmark.