diff --git a/ransomware/machinetag.json b/ransomware/machinetag.json
index e16de83..c09a024 100644
--- a/ransomware/machinetag.json
+++ b/ransomware/machinetag.json
@@ -215,6 +215,14 @@
           "value": "pc-workstation",
           "expanded": "Ransomware that targets PCs or workstations."
         },
+        {
+          "value": "nas",
+          "expanded": "Ransomware that targets network attached storage."
+        },
+        {
+          "value": "vm",
+          "expanded": "Ransomware that targets virtualized environment such as Vmware or Hyper-V."
+        },
         {
           "value": "mobile-device",
           "expanded": "Ransomware that targets mobile devices."