diff --git a/clusters/threat-actor.json b/clusters/threat-actor.json
index 33d669ab..8d236d22 100644
--- a/clusters/threat-actor.json
+++ b/clusters/threat-actor.json
@@ -10370,6 +10370,41 @@
       ],
       "uuid": "35f887ad-6709-4d0b-8e9c-6b3fa09c783f",
       "value": "APT42"
+    },
+    {
+      "description": "TA453 has employed the use of compromised accounts, malware, and confrontational lures to go after targets with a range of backgrounds from medical researchers to realtors to travel agencies.",
+      "meta": {
+        "country": "IR",
+        "references": [
+          "https://www.proofpoint.com/us/blog/threat-insight/ta453-refuses-be-bound-expectations",
+          "https://www.proofpoint.com/us/blog/threat-insight/badblood-ta453-targets-us-and-israeli-medical-research-personnel-credential"
+        ]
+      },
+      "related": [
+        {
+          "dest-uuid": "35f887ad-6709-4d0b-8e9c-6b3fa09c783f",
+          "tags": [
+            "estimative-language:likelihood-probability=\"likely\""
+          ],
+          "type": "similar"
+        },
+        {
+          "dest-uuid": "b8967b3c-3bc9-11e8-8701-8b1ead8c099e",
+          "tags": [
+            "estimative-language:likelihood-probability=\"likely\""
+          ],
+          "type": "similar"
+        },
+        {
+          "dest-uuid": "f98bac6b-12fd-4cad-be84-c84666932232",
+          "tags": [
+            "estimative-language:likelihood-probability=\"likely\""
+          ],
+          "type": "similar"
+        }
+      ],
+      "uuid": "c1d44f44-425e-48fd-b78b-84b988da8bc3",
+      "value": "TA453"
     }
   ],
   "version": 260