diff --git a/monkey/monkey_island/cc/services/telemetry/processing/credentials/credentials.py b/monkey/monkey_island/cc/services/telemetry/processing/credentials/credentials.py
index 70d13b594..5cb169ae4 100644
--- a/monkey/monkey_island/cc/services/telemetry/processing/credentials/credentials.py
+++ b/monkey/monkey_island/cc/services/telemetry/processing/credentials/credentials.py
@@ -1,17 +1,17 @@
 from __future__ import annotations
 
 from dataclasses import dataclass
-from typing import Sequence
+from typing import Sequence, Mapping, Any
 
 
 @dataclass(frozen=True)
 class Credentials:
-    identities: Sequence[dict]
-    secrets: Sequence[dict]
+    identities: Sequence[Mapping]
+    secrets: Sequence[Mapping]
     monkey_guid: str
 
     @staticmethod
-    def from_dict(cred_dict: dict, monkey_guid: str) -> Credentials:
+    def from_mapping(cred_dict: Mapping[str, Any], monkey_guid: str) -> Credentials:
         return Credentials(
             identities=cred_dict["identities"],
             secrets=cred_dict["secrets"],
diff --git a/monkey/monkey_island/cc/services/telemetry/processing/credentials/credentials_parser.py b/monkey/monkey_island/cc/services/telemetry/processing/credentials/credentials_parser.py
index 2c42fa2c8..9df47f91d 100644
--- a/monkey/monkey_island/cc/services/telemetry/processing/credentials/credentials_parser.py
+++ b/monkey/monkey_island/cc/services/telemetry/processing/credentials/credentials_parser.py
@@ -24,7 +24,7 @@ CREDENTIAL_COMPONENT_PROCESSORS = {
 
 def parse_credentials(telemetry_dict: Mapping):
     credentials = [
-        Credentials.from_dict(credential, telemetry_dict["monkey_guid"])
+        Credentials.from_mapping(credential, telemetry_dict["monkey_guid"])
         for credential in telemetry_dict["data"]
     ]
 
diff --git a/monkey/monkey_island/cc/services/telemetry/processing/credentials/secrets/ssh_key_processor.py b/monkey/monkey_island/cc/services/telemetry/processing/credentials/secrets/ssh_key_processor.py
index 0b299edfb..0273732da 100644
--- a/monkey/monkey_island/cc/services/telemetry/processing/credentials/secrets/ssh_key_processor.py
+++ b/monkey/monkey_island/cc/services/telemetry/processing/credentials/secrets/ssh_key_processor.py
@@ -15,13 +15,13 @@ class SSHKeyProcessingError(ValueError):
 def process_ssh_key(keypair: Mapping, credentials: Credentials):
     if len(credentials.identities) != 1:
         raise SSHKeyProcessingError(
-            f"SSH credentials have {len(credentials.identities)}" f" users associated with " f"it!"
+            f"SSH credentials have {len(credentials.identities)} users associated with it!"
         )
 
     if not _contains_both_keys(keypair):
-        raise SSHKeyProcessingError("Private or public key missing!")
+        raise SSHKeyProcessingError("Private or public key missing")
 
-    # TODO SSH key should be associated with IP that monkey exploited
+    # TODO investigate if IP is needed at all
     ip = Monkey.get_single_monkey_by_guid(credentials.monkey_guid).ip_addresses[0]
     username = credentials.identities[0]["username"]