Hi,
fpolicy & vscan have the ability to call out to 3rd party applications which are compatible, such as antivirus, change management systems, etc.
Internal engine functionality is limited to things like blocking certain extensions, or simple logging.
Please refer below links for more details
https://community.netapp.com/t5/Technology/FPolicy-in-Clustered-Data-ONTAP/ba-p/82687
https://www.reddit.com/r/sysadmin/comments/3m52l1/cryptolocker_file_screening_when_using_netapp_cifs/
Thanks
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