diff --git a/system/security/thinkpad.nix b/system/security/thinkpad.nix
index e55de60..73644c4 100644
--- a/system/security/thinkpad.nix
+++ b/system/security/thinkpad.nix
@@ -6,4 +6,8 @@
     #tod.enable = true;
     #tod.driver = pkgs.libfprint-2-tod1-goodix;
   };
+
+  security.pam.services.greetd = {
+    fprintAuth = true;  # Fingerprint via pam_fprintd
+  };
 }
diff --git a/system/services/default.nix b/system/services/default.nix
index 217f792..085951c 100644
--- a/system/services/default.nix
+++ b/system/services/default.nix
@@ -14,6 +14,13 @@ in
     package = inputs.niri.packages.${pkgs.system}.niri-unstable;
   };
 
+  services.displayManager.dms-greeter = {
+    enable = true;
+    compositor.name = "niri";
+
+    configHome = "/home/jashton";
+  };
+
   programs.dsearch.enable = true;
 
   programs.dms-shell = {