diff --git a/inc/spbc-settings.php b/inc/spbc-settings.php
index 21f9227bb..28d25a7ee 100644
--- a/inc/spbc-settings.php
+++ b/inc/spbc-settings.php
@@ -3119,6 +3119,8 @@ function spbc__analysyis_files_stats__get_html()
  */
 function spbc__analysyis_files_stats__get_data()
 {
+    spbc_check_ajax_referer('spbc_secret_nonce', 'security');
+
     global $wpdb, $spbc;
     $out = array(
             'files_sent_count' => 'N/D',