diff --git a/prowler/providers/aws/services/ecs/ecs_service.py b/prowler/providers/aws/services/ecs/ecs_service.py
index ea2c1b4309..21d09e91ab 100644
--- a/prowler/providers/aws/services/ecs/ecs_service.py
+++ b/prowler/providers/aws/services/ecs/ecs_service.py
@@ -35,7 +35,7 @@ class ECS(AWSService):
                     ):
                         self.task_definitions[task_definition] = TaskDefinition(
                             # we want the family name without the revision
-                            name=sub(":.*", "", task_definition.split("/")[1]),
+                            name=sub(":.*", "", task_definition.split("/")[-1]),
                             arn=task_definition,
                             revision=task_definition.split(":")[-1],
                             region=regional_client.region,
@@ -111,7 +111,7 @@ class ECS(AWSService):
                     service_desc = describe_response["services"][0]
                     service_arn = service_desc["serviceArn"]
                     service_obj = Service(
-                        name=sub(":.*", "", service_arn.split("/")[2]),
+                        name=sub(":.*", "", service_arn.split("/")[-1]),
                         arn=service_arn,
                         region=cluster.region,
                         assign_public_ip=(
@@ -139,7 +139,7 @@ class ECS(AWSService):
                         is_resource_filtered(cluster, self.audit_resources)
                     ):
                         self.clusters[cluster] = Cluster(
-                            name=sub(":.*", "", cluster.split("/")[1]),
+                            name=sub(":.*", "", cluster.split("/")[-1]),
                             arn=cluster,
                             region=regional_client.region,
                         )
diff --git a/tests/providers/aws/services/ecs/ecs_service_test.py b/tests/providers/aws/services/ecs/ecs_service_test.py
index 26cbfbfc0b..5dc8ca0947 100644
--- a/tests/providers/aws/services/ecs/ecs_service_test.py
+++ b/tests/providers/aws/services/ecs/ecs_service_test.py
@@ -12,7 +12,7 @@ def mock_make_api_call(self, operation_name, kwarg):
     if operation_name == "ListTaskDefinitions":
         return {
             "taskDefinitionArns": [
-                "arn:aws:ecs:eu-west-1:123456789012:task-definition/test_ecs_task:1"
+                "arn:aws:ecs:eu-west-1:123456789012:task-definition/test_cluster_1/test_ecs_task:1"
             ]
         }
     if operation_name == "DescribeTaskDefinition":
@@ -117,7 +117,7 @@ class Test_ECS_Service:
         aws_provider = set_mocked_aws_provider()
         ecs = ECS(aws_provider)
 
-        task_arn = "arn:aws:ecs:eu-west-1:123456789012:task-definition/test_ecs_task:1"
+        task_arn = "arn:aws:ecs:eu-west-1:123456789012:task-definition/test_cluster_1/test_ecs_task:1"
 
         assert len(ecs.task_definitions) == 1
         assert ecs.task_definitions[task_arn].name == "test_ecs_task"
@@ -131,7 +131,7 @@ class Test_ECS_Service:
         aws_provider = set_mocked_aws_provider()
         ecs = ECS(aws_provider)
 
-        task_arn = "arn:aws:ecs:eu-west-1:123456789012:task-definition/test_ecs_task:1"
+        task_arn = "arn:aws:ecs:eu-west-1:123456789012:task-definition/test_cluster_1/test_ecs_task:1"
 
         assert len(ecs.task_definitions) == 1
         assert ecs.task_definitions[task_arn].name == "test_ecs_task"