File Security, aka FAM, allows customers to monitor access to sensitive files, and allows for auditing and alerting.
It is commonly deployed using an Imperva agent but can run in sniffing mode.
It support CIFS file system, most commonly found with Windows serves but other platforms also use CIFS.
FAM also offers a file explorer which can use the credentials of an authorized user to access the server and allow for navigation through the file system
The main task is to know what needs to be monitored/audited and create the appropriate policies