public function getDefaultScopes()
    {
        $scopes = $this->configService->getValue('scopes_default');

        return array_filter(array_map('trim', Service\Scope::split($scopes)), function ($scope) {
            // we filter out the backend scope since this would be a major
            // security issue
            return !empty($scope) && $scope != 'backend';
        });
    }