diff --git a/app/src/Service/Contabilidad/Cartola/Security.php b/app/src/Service/Contabilidad/Cartola/Security.php
index c36c9a9..09578ef 100644
--- a/app/src/Service/Contabilidad/Cartola/Security.php
+++ b/app/src/Service/Contabilidad/Cartola/Security.php
@@ -9,6 +9,8 @@ use Psr\Http\Message\UploadedFileInterface;
 
 class Security extends Banco
 {
+    use isExcel;
+
     public function processMovimientosDiarios(array $movimientos): array
     {
         $movimientos = array_reverse($movimientos);
@@ -39,11 +41,13 @@ class Security extends Banco
             'descripción' => 'glosa',
             'número de documentos' => 'documento',
             'nº documento' => 'documento',
+            'n de docu' => 'documento',
             'cargos' => 'cargo',
             'abonos' => 'abono',
             'saldos' => 'saldo',
             'categoría' => 'categoria',
             'centro costos' => 'centro_costo',
+            'centro costo' => 'centro_costo',
             'detalle' => 'detalle',
             'factura boleta' => 'identificador',
             'rut' => 'rut',
@@ -56,43 +60,30 @@ class Security extends Banco
     {
         $xlsx = @PhpSpreadsheet\IOFactory::load($filename);
         $worksheet = $xlsx->getActiveSheet();
-        $rows = $worksheet->getRowIterator(3);
-        $dataFound = false;
-        $columns = [];
+
+        $rowIterator = $worksheet->getRowIterator(3);
+        $titleRow = $this->findTitlesRow($rowIterator, 'fecha', caseInsensitive: true);
+        $columns = $this->grabTitlesRow($titleRow, toLower: true);
+        $rowIterator->next();
+
+        $titleValueMap = [
+            'fecha' => 'fecha',
+            'cargos' => 'int',
+            'abonos' => 'int',
+            'saldos' => 'int',
+            'centro costo' => 'int',
+            'centro costos' => 'int',
+        ];
         $data = [];
-        foreach ($rows as $row) {
-            $cells = $row->getCellIterator();
-            $rowData = [];
-            foreach ($cells as $cell) {
-                if ($cell->getColumn() === 'A' and $cell->getCalculatedValue() !== null and strtolower($cell->getCalculatedValue()) === "fecha ") {
-                    $cols = $row->getColumnIterator();
-                    foreach ($cols as $col) {
-                        $columns[$col->getColumn()] = trim(strtolower($col->getCalculatedValue()), '  ');
-                    }
-                    $dataFound = true;
-                    break;
-                }
-                if ($cell->getColumn() === 'A' and $cell->getCalculatedValue() === null) {
-                    $dataFound = false;
-                    break;
-                }
-                if (!$dataFound) {
-                    break;
-                }
-                $col = $columns[$cell->getColumn()];
-                $value = $cell->getCalculatedValue();
-                if ($col === 'fecha') {
-                    if ((int) $cell->getValue() !== $cell->getValue()) {
-                        $value = implode('-', array_reverse(explode('-', $cell->getValue())));
-                    } else {
-                        $value = PhpSpreadsheet\Shared\Date::excelToDateTimeObject($cell->getValue(), 'America/Santiago')->format('Y-m-d');
-                    }
-                }
-                $rowData[$col] = $value;
+        while ($rowIterator->valid()) {
+            if ($this->isExitValue($rowIterator->current(), ['resúmen del período', 'resumen del período', 'Resúmen del período', 'Resumen del período', null])) {
+                break;
             }
+            $rowData = $this->grabRow($rowIterator->current(), $columns, process: true, titleValueMap: $titleValueMap);
             if (count($rowData) > 0) {
                 $data []= $rowData;
             }
+            $rowIterator->next();
         }
         return $data;
     }