diff --git a/clusters/microsoft-activity-group.json b/clusters/microsoft-activity-group.json
index 40605ab..f4f568b 100644
--- a/clusters/microsoft-activity-group.json
+++ b/clusters/microsoft-activity-group.json
@@ -222,6 +222,13 @@
             "estimative-language:likelihood-probability=\"likely\""
           ],
           "type": "similar"
+        },
+        {
+          "dest-uuid": "e400b6c5-77cf-453d-ba0f-44575583ac6c",
+          "tags": [
+            "estimative-language:likelihood-probability=\"almost-certain\""
+          ],
+          "type": "similar"
         }
       ],
       "uuid": "6085aad0-1d95-11ea-a140-078d42aced40",
@@ -241,6 +248,13 @@
             "estimative-language:likelihood-probability=\"likely\""
           ],
           "type": "uses"
+        },
+        {
+          "dest-uuid": "4245e4cd-a57a-4e0b-9853-acaa549d495d",
+          "tags": [
+            "estimative-language:likelihood-probability=\"almost-certain\""
+          ],
+          "type": "similar"
         }
       ],
       "uuid": "00edb40d-2fed-4d36-98b1-c85fc2bb1168",
@@ -263,6 +277,15 @@
           "https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/"
         ]
       },
+      "related": [
+        {
+          "dest-uuid": "4f05d6c1-3fc1-4567-91cd-dd4637cc38b5",
+          "tags": [
+            "estimative-language:likelihood-probability=\"almost-certain\""
+          ],
+          "type": "similar"
+        }
+      ],
       "uuid": "fbb66d6c-0faa-49cc-8aa3-2f9bd4e9c298",
       "value": "HAFNIUM"
     },
@@ -1328,5 +1351,5 @@
       "value": "Zigzag Hail"
     }
   ],
-  "version": 16
+  "version": 17
 }
diff --git a/clusters/threat-actor.json b/clusters/threat-actor.json
index cdbeb69..b8cde50 100644
--- a/clusters/threat-actor.json
+++ b/clusters/threat-actor.json
@@ -8056,6 +8056,13 @@
             "estimative-language:likelihood-probability=\"almost-certain\""
           ],
           "type": "similar"
+        },
+        {
+          "dest-uuid": "6085aad0-1d95-11ea-a140-078d42aced40",
+          "tags": [
+            "estimative-language:likelihood-probability=\"almost-certain\""
+          ],
+          "type": "similar"
         }
       ],
       "uuid": "e400b6c5-77cf-453d-ba0f-44575583ac6c",
@@ -8301,6 +8308,15 @@
           "Red Dev 13"
         ]
       },
+      "related": [
+        {
+          "dest-uuid": "fbb66d6c-0faa-49cc-8aa3-2f9bd4e9c298",
+          "tags": [
+            "estimative-language:likelihood-probability=\"almost-certain\""
+          ],
+          "type": "similar"
+        }
+      ],
       "uuid": "4f05d6c1-3fc1-4567-91cd-dd4637cc38b5",
       "value": "HAFNIUM"
     },
@@ -9815,6 +9831,13 @@
             "estimative-language:likelihood-probability=\"likely\""
           ],
           "type": "uses"
+        },
+        {
+          "dest-uuid": "00edb40d-2fed-4d36-98b1-c85fc2bb1168",
+          "tags": [
+            "estimative-language:likelihood-probability=\"almost-certain\""
+          ],
+          "type": "similar"
         }
       ],
       "uuid": "4245e4cd-a57a-4e0b-9853-acaa549d495d",
@@ -10710,5 +10733,5 @@
       "value": "Anonymous Sudan"
     }
   ],
-  "version": 265
+  "version": 266
 }