diff --git a/monkey/monkey_island/cc/services/attack/technique_reports/pba_technique.py b/monkey/monkey_island/cc/services/attack/technique_reports/pba_technique.py
index a7ef96803..393bbc9db 100644
--- a/monkey/monkey_island/cc/services/attack/technique_reports/pba_technique.py
+++ b/monkey/monkey_island/cc/services/attack/technique_reports/pba_technique.py
@@ -1,4 +1,5 @@
 import abc
+from typing import List
 
 from common.utils.attack_utils import ScanStatus
 from monkey_island.cc.database import mongo
@@ -11,9 +12,9 @@ class PostBreachTechnique(AttackTechnique, metaclass=abc.ABCMeta):
 
     @property
     @abc.abstractmethod
-    def pba_names(self):
+    def pba_names(self) -> List[str]:
         """
-        :return: name of post breach action
+        :return: names of post breach action
         """
         pass
 
diff --git a/monkey/monkey_island/cc/services/attack/technique_reports/attack_technique_test.py b/monkey/monkey_island/cc/services/attack/technique_reports/test_attack_technique.py
similarity index 100%
rename from monkey/monkey_island/cc/services/attack/technique_reports/attack_technique_test.py
rename to monkey/monkey_island/cc/services/attack/technique_reports/test_attack_technique.py