diff --git a/src/main/java/org/opensearch/securityanalytics/SecurityAnalyticsPlugin.java b/src/main/java/org/opensearch/securityanalytics/SecurityAnalyticsPlugin.java
index 4f79dcc7d..aaba862f8 100644
--- a/src/main/java/org/opensearch/securityanalytics/SecurityAnalyticsPlugin.java
+++ b/src/main/java/org/opensearch/securityanalytics/SecurityAnalyticsPlugin.java
@@ -216,16 +216,13 @@
 import org.opensearch.watcher.ResourceWatcherService;
 import reactor.util.annotation.NonNull;
 
-import java.util.Collection;
-import java.util.Collections;
-import java.util.List;
-import java.util.Map;
-import java.util.Optional;
+import java.util.*;
 import java.util.function.Supplier;
 
 import static org.opensearch.securityanalytics.threatIntel.iocscan.service.ThreatIntelMonitorRunner.THREAT_INTEL_MONITOR_TYPE;
 import static org.opensearch.securityanalytics.threatIntel.model.SATIFSourceConfig.SOURCE_CONFIG_FIELD;
 import static org.opensearch.securityanalytics.threatIntel.model.TIFJobParameter.THREAT_INTEL_DATA_INDEX_NAME_PREFIX;
+import static org.opensearch.securityanalytics.util.CorrelationIndices.CORRELATION_ALERT_INDEX;
 
 public class SecurityAnalyticsPlugin extends Plugin implements ActionPlugin, MapperPlugin, SearchPlugin, EnginePlugin, ClusterPlugin, SystemIndexPlugin, JobSchedulerExtension, RemoteMonitorRunnerExtension {
 
@@ -284,7 +281,11 @@ public class SecurityAnalyticsPlugin extends Plugin implements ActionPlugin, Map
 
     @Override
     public Collection<SystemIndexDescriptor> getSystemIndexDescriptors(Settings settings) {
-        return Collections.singletonList(new SystemIndexDescriptor(THREAT_INTEL_DATA_INDEX_NAME_PREFIX, "System index used for threat intel data"));
+        List<SystemIndexDescriptor> descriptors = List.of(
+                new SystemIndexDescriptor(THREAT_INTEL_DATA_INDEX_NAME_PREFIX, "System index used for threat intel data"),
+                new SystemIndexDescriptor(CORRELATION_ALERT_INDEX, "System index used for Correlation Alerts")
+        );
+        return descriptors;
     }
 
 
diff --git a/src/main/java/org/opensearch/securityanalytics/transport/TransportAckCorrelationAlertsAction.java b/src/main/java/org/opensearch/securityanalytics/transport/TransportAckCorrelationAlertsAction.java
index 917d0349c..7032819de 100644
--- a/src/main/java/org/opensearch/securityanalytics/transport/TransportAckCorrelationAlertsAction.java
+++ b/src/main/java/org/opensearch/securityanalytics/transport/TransportAckCorrelationAlertsAction.java
@@ -67,6 +67,8 @@ protected void doExecute(Task task, AckCorrelationAlertsRequest request, ActionL
             return;
         }
 
+        this.threadPool.getThreadContext().stashContext();
+
         if (!request.getCorrelationAlertIds().isEmpty()) {
             correlationAlertService.acknowledgeAlerts(
                     request.getCorrelationAlertIds(),
diff --git a/src/main/java/org/opensearch/securityanalytics/transport/TransportGetCorrelationAlertsAction.java b/src/main/java/org/opensearch/securityanalytics/transport/TransportGetCorrelationAlertsAction.java
index cdca86a23..a19817e5b 100644
--- a/src/main/java/org/opensearch/securityanalytics/transport/TransportGetCorrelationAlertsAction.java
+++ b/src/main/java/org/opensearch/securityanalytics/transport/TransportGetCorrelationAlertsAction.java
@@ -64,6 +64,8 @@ protected void doExecute(Task task, GetCorrelationAlertsRequest request, ActionL
             return;
         }
 
+        this.threadPool.getThreadContext().stashContext();
+
         if (request.getCorrelationRuleId() != null) {
             correlationAlertService.getCorrelationAlerts(
                     request.getCorrelationRuleId(),