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Anti-Ransomware Protectionでは、ボリューム上の新しいファイル拡張子が検出されません

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ontap-9
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core<a>2009433976</a>
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環境

  • ONTAP 9.10.1以降
  • ランサムウェア対策（ARP）

問題

NASファイルが暗号化され、名前が変更された攻撃をシミュレートした後、ONTAP は新しい.encryptedファイル拡張子を検出しません。
 
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      : -

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