diff --git a/Scripts/generate_test_report.py b/Scripts/generate_test_report.py
index effc165..5fff6ef 100644
--- a/Scripts/generate_test_report.py
+++ b/Scripts/generate_test_report.py
@@ -35,13 +35,9 @@ def __init__(self, trx_path, coverage_path=None):
         self.file_coverage = []
 
     def parse_trx(self):
-        # Create a secure XML parser that disables external entity processing
-        parser = ET.XMLParser()
-        parser.parser.DefaultHandler = lambda data: None
-        parser.parser.ExternalEntityRefHandler = lambda context, base, uri, notationName: False
-        parser.parser.EntityDeclHandler = lambda entityName, is_parameter_entity, value, base, systemId, notationName, publicId: False
-        
-        tree = ET.parse(self.trx_path, parser)
+        # Use defusedxml for secure XML parsing
+        from defusedxml.ElementTree import parse
+        tree = parse(self.trx_path)
         root = tree.getroot()
         ns = {'t': 'http://microsoft.com/schemas/VisualStudio/TeamTest/2010'}
 
@@ -121,13 +117,9 @@ def parse_coverage(self):
         if not self.coverage_path or not os.path.exists(self.coverage_path):
             return
         try:
-            # Create a secure XML parser that disables external entity processing
-            parser = ET.XMLParser()
-            parser.parser.DefaultHandler = lambda data: None
-            parser.parser.ExternalEntityRefHandler = lambda context, base, uri, notationName: False
-            parser.parser.EntityDeclHandler = lambda entityName, is_parameter_entity, value, base, systemId, notationName, publicId: False
-            
-            tree = ET.parse(self.coverage_path, parser)
+            # Use defusedxml for secure XML parsing
+            from defusedxml.ElementTree import parse
+            tree = parse(self.coverage_path)
             root = tree.getroot()
             self.coverage['lines_pct'] = float(root.get('line-rate', 0)) * 100
             self.coverage['branches_pct'] = float(root.get('branch-rate', 0)) * 100
@@ -221,6 +213,18 @@ def _parse_condition_coverage(cond_str):
             return int(m.group(2)), int(m.group(3))
         return 0, 0
 
+    @staticmethod
+    def _esc(text):
+        if text is None:
+            return ""
+        text = str(text)
+        return (text
+                .replace('&', '&')
+                .replace('<', '&lt;')
+                .replace('>', '&gt;')
+                .replace('"', '&quot;')
+                .replace("'", '&#39;'))
+
     @staticmethod
     def _sanitize_xml_attribute_value(value):
         """Sanitize XML attribute value to prevent XPath injection."""
@@ -259,18 +263,6 @@ def _validate_output_path(output_path):
             
         return normalized_path
 
-    @staticmethod
-    def _esc(text):
-        if text is None:
-            return ""
-        text = str(text)
-        return (text
-                .replace('&', '&amp;')
-                .replace('<', '&lt;')
-                .replace('>', '&gt;')
-                .replace('"', '&quot;')
-                .replace("'", '&#39;'))
-
     def _format_duration_display(self, seconds):
         if seconds < 60:
             return f"{seconds:.1f}s"