diff --git a/src/schemas/validators.py b/src/schemas/validators.py
index 90bb2ab..5910daf 100644
--- a/src/schemas/validators.py
+++ b/src/schemas/validators.py
@@ -2,5 +2,10 @@ from typing import Any
 
 
 def ensure_password(value: Any) -> Any:
-    #TODO
-    ...
+    if not isinstance(value, str):
+        raise TypeError("Password must be a string")
+    if len(value) < 8:
+        raise ValueError("Password must be at least 8 characters")
+    if value.strip() == "":
+        raise ValueError("Password cannot be empty")
+    return value