After a file is attached to a case, anyone viewing the case can view details about the file and download the image. If you are only viewing an attachment, locking the case is not required.
To view attachments to a case:
Open a case and click the Attachments () icon.
Right-click an attachment and select Open to open the file or Download to download the file to your local system.
If you clicked Download:
In the file browser popup, navigate to the local directory where you want to store the file.
In the File Name field, enter the name for the file.
Click Save.
If the case attachment was also added as a shared resource, the file is available in the ArcSight Manager. Files resource folders. To access a shared file, choose Files in the Navigator and browse the folders, or choose Edit > Find Resource from the menus, enter the file name in the Search query field, and click Find. See Finding Resources for more information on this utility.