diff --git a/monkey/monkey_island/cc/services/config.py b/monkey/monkey_island/cc/services/config.py
index 1396a130b..ba37d357c 100644
--- a/monkey/monkey_island/cc/services/config.py
+++ b/monkey/monkey_island/cc/services/config.py
@@ -3,7 +3,7 @@ import copy
 import functools
 import logging
 import re
-from typing import Dict, List
+from typing import Any, Dict, List
 
 from jsonschema import Draft4Validator, validators
 
@@ -406,7 +406,7 @@ class ConfigService:
         return ConfigService.get_config_value(EXPORT_MONKEY_TELEMS_PATH)
 
     @staticmethod
-    def get_config_propagation_credentials_from_flat_config(config):
+    def get_config_propagation_credentials_from_flat_config(config) -> Dict[str, List[str]]:
         return {
             "exploit_user_list": config.get("exploit_user_list", []),
             "exploit_password_list": config.get("exploit_password_list", []),
@@ -483,8 +483,8 @@ class ConfigService:
         config["propagation"] = formatted_propagation_config
 
     @staticmethod
-    def _format_network_scan_from_flat_config(config: Dict):
-        formatted_network_scan_config = {"tcp": {}, "icmp": {}}
+    def _format_network_scan_from_flat_config(config: Dict) -> Dict[str, Any]:
+        formatted_network_scan_config = {"tcp": {}, "icmp": {}, "fingerprinters": []}
 
         formatted_network_scan_config["tcp"] = ConfigService._format_tcp_scan_from_flat_config(
             config
@@ -499,7 +499,7 @@ class ConfigService:
         return formatted_network_scan_config
 
     @staticmethod
-    def _format_tcp_scan_from_flat_config(config: Dict):
+    def _format_tcp_scan_from_flat_config(config: Dict) -> Dict[str, Any]:
         flat_http_ports_field = "HTTP_PORTS"
         flat_tcp_timeout_field = "tcp_scan_timeout"
         flat_tcp_ports_field = "tcp_target_ports"
@@ -526,7 +526,7 @@ class ConfigService:
         return sorted(combined_ports)
 
     @staticmethod
-    def _format_icmp_scan_from_flat_config(config: Dict):
+    def _format_icmp_scan_from_flat_config(config: Dict) -> Dict[str, Any]:
         flat_ping_timeout_field = "ping_scan_timeout"
 
         formatted_icmp_scan_config = {}
@@ -537,7 +537,7 @@ class ConfigService:
         return formatted_icmp_scan_config
 
     @staticmethod
-    def _format_fingerprinters_from_flat_config(config: Dict):
+    def _format_fingerprinters_from_flat_config(config: Dict) -> List[Dict[str, Any]]:
         flat_fingerprinter_classes_field = "finger_classes"
         flat_http_ports_field = "HTTP_PORTS"
 
@@ -556,11 +556,11 @@ class ConfigService:
         return formatted_fingerprinters
 
     @staticmethod
-    def _translate_fingerprinter_name(name: str):
+    def _translate_fingerprinter_name(name: str) -> str:
         return re.sub(r"Finger", "", name).lower()
 
     @staticmethod
-    def _format_targets_from_flat_config(config: Dict):
+    def _format_targets_from_flat_config(config: Dict) -> Dict[str, Any]:
         flat_blocked_ips_field = "blocked_ips"
         flat_inaccessible_subnets_field = "inaccessible_subnets"
         flat_local_network_scan_field = "local_network_scan"
@@ -587,7 +587,7 @@ class ConfigService:
         return formatted_scan_targets_config
 
     @staticmethod
-    def _format_exploiters_from_flat_config(config: Dict):
+    def _format_exploiters_from_flat_config(config: Dict) -> Dict[str, List[Dict[str, Any]]]:
         flat_config_exploiter_classes_field = "exploiter_classes"
         brute_force_category = "brute_force"
         vulnerability_category = "vulnerability"