Anti-ransomware Protection not detecting new file extensions on a volume
Applies to
- ONTAP 9.10.1+
- Anti-ransomware Protection(ARP)
Issue
After a simulated attack where the NAS files were encrypted and renamed, ONTAP does not detect the new .encrypted file extension:
Cluster01::> security anti-ransomware volume workload-behavior show -vserver svm01 -volume TestVol
Vserver : svm01
Volume : TestVol
File Extensions Observed : txt
Number of File Extensions Observed : 1
Number of Newly Observed File Extensions : -