diff --git a/src/main/java/org/opensearch/securityanalytics/threatIntel/transport/monitor/TransportIndexThreatIntelMonitorAction.java b/src/main/java/org/opensearch/securityanalytics/threatIntel/transport/monitor/TransportIndexThreatIntelMonitorAction.java
index 2fd5b1ebb..2d6a5bf30 100644
--- a/src/main/java/org/opensearch/securityanalytics/threatIntel/transport/monitor/TransportIndexThreatIntelMonitorAction.java
+++ b/src/main/java/org/opensearch/securityanalytics/threatIntel/transport/monitor/TransportIndexThreatIntelMonitorAction.java
@@ -106,7 +106,12 @@ protected void doExecute(Task task, IndexThreatIntelMonitorRequest request, Acti
                 listener.onFailure(SecurityAnalyticsException.wrap(new OpenSearchStatusException(validateBackendRoleMessage, RestStatus.FORBIDDEN)));
                 return;
             }
-            //fetch monitors and search
+            if(request.getMethod().equals(RestRequest.Method.PUT)) {
+                indexMonitor(request, listener, user);
+                return;
+            }
+
+            //fetch monitors and search to ensure only one threat intel monitor can be created
             SearchRequest threatIntelMonitorsSearchRequest = new SearchRequest();
             threatIntelMonitorsSearchRequest.indices(".opendistro-alerting-config");
             BoolQueryBuilder boolQueryBuilder = QueryBuilders.boolQuery();
@@ -118,7 +123,7 @@ protected void doExecute(Task task, IndexThreatIntelMonitorRequest request, Acti
                         List<String> monitorIds = searchResponse.getHits() == null || searchResponse.getHits().getHits() == null ? new ArrayList<>() :
                                 Arrays.stream(searchResponse.getHits().getHits()).map(SearchHit::getId).collect(Collectors.toList());
                         if (monitorIds.isEmpty()) {
-                            createMonitor(request, listener, user);
+                            indexMonitor(request, listener, user);
                         } else
                             listener.onFailure(new ResourceAlreadyExistsException(String.format("Threat intel monitor %s already exists.", monitorIds.get(0))));
                     },
@@ -126,7 +131,7 @@ protected void doExecute(Task task, IndexThreatIntelMonitorRequest request, Acti
                     e -> {
                         if (e instanceof IndexNotFoundException || e.getMessage().contains("Configured indices are not found")) {
                             try {
-                                createMonitor(request, listener, user);
+                                indexMonitor(request, listener, user);
                                 return;
                             } catch (IOException ex) {
                                 log.error(() -> new ParameterizedMessage("Unexpected failure while indexing threat intel monitor {} named {}", request.getId(), request.getMonitor().getName()));
@@ -145,7 +150,7 @@ protected void doExecute(Task task, IndexThreatIntelMonitorRequest request, Acti
         }
     }
 
-    private void createMonitor(IndexThreatIntelMonitorRequest request, ActionListener<IndexThreatIntelMonitorResponse> listener, User user) throws IOException {
+    private void indexMonitor(IndexThreatIntelMonitorRequest request, ActionListener<IndexThreatIntelMonitorResponse> listener, User user) throws IOException {
         IndexMonitorRequest indexMonitorRequest = buildIndexMonitorRequest(request);
         AlertingPluginInterface.INSTANCE.indexMonitor((NodeClient) client, indexMonitorRequest, namedWriteableRegistry, ActionListener.wrap(
                 r -> {
diff --git a/src/test/java/org/opensearch/securityanalytics/resthandler/ThreatIntelMonitorRestApiIT.java b/src/test/java/org/opensearch/securityanalytics/resthandler/ThreatIntelMonitorRestApiIT.java
index 8496b1238..6cef20cab 100644
--- a/src/test/java/org/opensearch/securityanalytics/resthandler/ThreatIntelMonitorRestApiIT.java
+++ b/src/test/java/org/opensearch/securityanalytics/resthandler/ThreatIntelMonitorRestApiIT.java
@@ -9,12 +9,14 @@
 import org.opensearch.common.xcontent.XContentFactory;
 import org.opensearch.commons.alerting.model.IntervalSchedule;
 import org.opensearch.commons.alerting.model.Monitor;
+import org.opensearch.commons.alerting.model.Schedule;
 import org.opensearch.core.xcontent.ToXContent;
 import org.opensearch.search.SearchHit;
 import org.opensearch.securityanalytics.SecurityAnalyticsPlugin;
 import org.opensearch.securityanalytics.SecurityAnalyticsRestTestCase;
 import org.opensearch.securityanalytics.commons.model.IOCType;
 import org.opensearch.securityanalytics.model.STIX2IOC;
+import org.opensearch.securityanalytics.model.threatintel.ThreatIntelAlert;
 import org.opensearch.securityanalytics.threatIntel.common.RefreshType;
 import org.opensearch.securityanalytics.threatIntel.common.SourceConfigType;
 import org.opensearch.securityanalytics.threatIntel.common.TIFJobState;
@@ -186,6 +188,24 @@ public void testCreateThreatIntelMonitor() throws IOException {
         Response getAlertsResponse = makeRequest(client(), "GET", SecurityAnalyticsPlugin.THREAT_INTEL_ALERTS_URI, params, null);
         Map<String, Object> getAlertsBody = asMap(getAlertsResponse);
         Assert.assertEquals(4, getAlertsBody.get("total_alerts"));
+
+
+        ThreatIntelMonitorDto updateMonitorDto = new ThreatIntelMonitorDto(
+                monitorId,
+                iocScanMonitor.getName() + "update",
+                iocScanMonitor.getPerIocTypeScanInputList(),
+                new IntervalSchedule(5, ChronoUnit.MINUTES, Instant.now()),
+                false,
+                null,
+                List.of(iocScanMonitor.getTriggers().get(0), iocScanMonitor.getTriggers().get(1))
+        );
+        //update monitor
+        response = makeRequest(client(), "PUT", SecurityAnalyticsPlugin.THREAT_INTEL_MONITOR_URI + "/" + monitorId, Collections.emptyMap(), toHttpEntity(updateMonitorDto));
+        Assert.assertEquals(200, response.getStatusLine().getStatusCode());
+        responseBody = asMap(response);
+        assertEquals(responseBody.get("id").toString(), monitorId);
+        assertEquals(((HashMap<String, Object>) responseBody.get("monitor")).get("name").toString(), iocScanMonitor.getName() + "update");
+
         //delete
         Response delete = makeRequest(client(), "DELETE", SecurityAnalyticsPlugin.THREAT_INTEL_MONITOR_URI + "/" + monitorId, Collections.emptyMap(), null);
         Assert.assertEquals(200, delete.getStatusLine().getStatusCode());