diff --git a/airflow/utils/log/secrets_masker.py b/airflow/utils/log/secrets_masker.py
index 6df8d398a51f4..aaff669ce6b8d 100644
--- a/airflow/utils/log/secrets_masker.py
+++ b/airflow/utils/log/secrets_masker.py
@@ -42,13 +42,15 @@
 
 DEFAULT_SENSITIVE_FIELDS = frozenset(
     {
-        'password',
-        'secret',
-        'passwd',
-        'authorization',
+        'access_token',
         'api_key',
         'apikey',
-        'access_token',
+        'authorization',
+        'passphrase',
+        'passwd',
+        'password',
+        'private_key',
+        'secret',
     }
 )
 """Names of fields (Connection extra, Variable key name etc.) that are deemed sensitive"""