diff --git a/services/ecs.py b/services/ecs.py
index 7e899b0..0345a08 100644
--- a/services/ecs.py
+++ b/services/ecs.py
@@ -76,7 +76,7 @@ def ecs_containers_readonly_access():
         containers = task_definition["containerDefinitions"]
 
         for container in containers:
-            if container.get("readonlyRootFilesystem") == False:
+            if not container.get("readonlyRootFilesystem"):
                 non_compliant_resources.append(task_definition["taskDefinitionArn"])
                 break
         else:
@@ -92,20 +92,16 @@ def ecs_containers_readonly_access():
 def ecs_container_insights_enabled():
     compliant_resources = []
     non_compliant_resources = []
-    cluster_arns = client.list_clusters()["clusterArns"]
 
-    for cluster_arn in cluster_arns:
-        clusters = client.describe_clusters(clusters=[cluster_arn], include=["SETTINGS"])["clusters"]
+    clusters = client.describe_clusters(include=["SETTINGS"])["clusters"]
 
-        for cluster in clusters:
-            settings = cluster["settings"]
+    for cluster in clusters:
+        container_insights_setting = [setting for setting in cluster["settings"] if setting["name"] == "containerInsights"]
 
-            for setting in settings:
-                if setting["name"] == "containerInsights" and setting["value"] == "enabled":
-                    compliant_resources.append(cluster_arn)
-                    break
-            else:
-                non_compliant_resources.append(cluster_arn)
+        if container_insights_setting and container_insights_setting[0]["value"] == "enabled":
+            compliant_resources.append(cluster["clusterArn"])
+        else:
+            non_compliant_resources.append(cluster["clusterArn"])
 
     return RuleCheckResult(
         passed=not non_compliant_resources,
@@ -120,18 +116,14 @@ def ecs_fargate_latest_platform_version():
     cluster_arns = client.list_clusters()["clusterArns"]
 
     for cluster_arn in cluster_arns:
-        services = client.list_services(cluster=cluster_arn, launchType="FARGATE")["serviceArns"]
-
+        service_arns = client.list_services(cluster=cluster_arn, launchType="FARGATE")["serviceArns"]
+        services = client.describe_services(cluster=cluster_arn, services=service_arns)["services"]
+        
         for service in services:
-            service = client.describe_services(cluster=cluster_arn, services=[service])["services"][0]
-
-            if service["launchType"] == "FARGATE":
-                if service["platformVersion"] == "LATEST":
-                    compliant_resources.append(service["serviceArn"])
-                else:
-                    non_compliant_resources.append(service["serviceArn"])
-            else:
+            if service["platformVersion"] == "LATEST":
                 compliant_resources.append(service["serviceArn"])
+            else:
+                non_compliant_resources.append(service["serviceArn"])
 
     return RuleCheckResult(
         passed=not non_compliant_resources,