{
  security = {
    lockKernelModules = true;
    protectKernelImage = true;
    virtualisation.flushL1DataCache = "always";
    rtkit.enable = true;
    sudo.enable = false;

    doas = {
      enable = true;
      extraRules = [
        {
          groups = [ "users" ];
          keepEnv = false;
          persist = true;
        }
      ];
    };

    tpm2 = {
      enable = true;
      pkcs11.enable = true;
    };
  };
}