diff --git a/NessusActionPlanner.py b/NessusActionPlanner.py
index beb9d5d..cba116c 100644
--- a/NessusActionPlanner.py
+++ b/NessusActionPlanner.py
@@ -256,6 +256,96 @@ class ActionPlanGenerator:
         
         print(f"\n✓ Action plan exported to: {output_file}")
         print(f"  Total action items: {len(self.action_plans)}")
+    
+    def export_summary_csv(self, output_file: str):
+        """Export summary CSV with actions aggregated across all systems"""
+        if not self.action_plans:
+            print("No action plans to export. Run generate_plans() first.")
+            return
+        
+        # Aggregate by action
+        action_summary = defaultdict(lambda: {
+            'systems': set(),
+            'cve_count': 0,
+            'critical_total': 0,
+            'high_total': 0
+        })
+        
+        for plan in self.action_plans:
+            action = plan.action
+            action_summary[action]['systems'].add(plan.systems[0] if plan.systems else 'Unknown')
+            action_summary[action]['cve_count'] = plan.cve_reduction_count  # Same for all systems with this action
+            action_summary[action]['critical_total'] += plan.critical_reduction
+            action_summary[action]['high_total'] += plan.high_reduction
+        
+        # Calculate totals for percentages
+        total_cve = len(set(plan.cve_reduction_count for plan in self.action_plans if plan.cve_reduction_count > 0))
+        # Better approach: get unique CVEs across ALL actions
+        all_unique_cves = set()
+        action_cve_map = {}
+        for plan in self.action_plans:
+            if plan.action not in action_cve_map:
+                action_cve_map[plan.action] = plan.cve_reduction_count
+            all_unique_cves.add(plan.action)  # Use action as proxy since CVE count is per action
+        
+        # Recalculate: sum unique CVEs across all actions
+        total_cve = sum(set(action_cve_map.values()))
+        total_critical = sum(plan.critical_reduction for plan in self.action_plans)
+        total_high = sum(plan.high_reduction for plan in self.action_plans)
+        
+        # Create summary list
+        summary_list = []
+        for action, data in action_summary.items():
+            summary_list.append({
+                'action': action,
+                'system_count': len(data['systems']),
+                'cve_reduction': data['cve_count'],
+                'cve_percent': (data['cve_count'] / total_cve * 100) if total_cve > 0 else 0,
+                'critical_reduction': data['critical_total'],
+                'critical_percent': (data['critical_total'] / total_critical * 100) if total_critical > 0 else 0,
+                'high_reduction': data['high_total'],
+                'high_percent': (data['high_total'] / total_high * 100) if total_high > 0 else 0
+            })
+        
+        # Sort by total impact (critical + high)
+        summary_list.sort(
+            key=lambda x: (x['critical_reduction'], x['high_reduction'], x['cve_reduction']),
+            reverse=True
+        )
+        
+        # Write summary CSV
+        with open(output_file, 'w', newline='', encoding='utf-8') as csvfile:
+            fieldnames = [
+                'Action',
+                'System Count',
+                'CVE Reduction',
+                '% of Total CVE Reduction',
+                'Critical Reduction',
+                '% of Total Critical Reduction',
+                'High Reduction',
+                '% of Total High Reduction'
+            ]
+            
+            writer = csv.DictWriter(csvfile, fieldnames=fieldnames)
+            writer.writeheader()
+            
+            for item in summary_list:
+                writer.writerow({
+                    'Action': item['action'],
+                    'System Count': item['system_count'],
+                    'CVE Reduction': item['cve_reduction'],
+                    '% of Total CVE Reduction': f"{item['cve_percent']:.1f}%",
+                    'Critical Reduction': item['critical_reduction'],
+                    '% of Total Critical Reduction': f"{item['critical_percent']:.1f}%",
+                    'High Reduction': item['high_reduction'],
+                    '% of Total High Reduction': f"{item['high_percent']:.1f}%"
+                })
+        
+        print(f"\n✓ Summary exported to: {output_file}")
+        print(f"  Total unique actions: {len(summary_list)}")
+        print(f"  Total CVEs addressed: {total_cve}")
+        print(f"  Total Critical vulnerabilities: {total_critical}")
+        print(f"  Total High vulnerabilities: {total_high}")
 
     
     def print_summary(self):
@@ -296,6 +386,7 @@ def main():
 Examples:
   %(prog)s scan1.nessus scan2.nessus -o action_plan.csv
   %(prog)s *.nessus -o remediation_plan.csv
+  %(prog)s scan1.nessus --summary-only -o summary.csv
         """
     )
     
@@ -311,6 +402,18 @@ Examples:
         help='Output CSV file (default: vulnerability_action_plan.csv)'
     )
     
+    parser.add_argument(
+        '--summary',
+        action='store_true',
+        help='Also generate a summary CSV file (appends _summary to filename)'
+    )
+    
+    parser.add_argument(
+        '--summary-only',
+        action='store_true',
+        help='Generate only the summary CSV file, skip detailed plan'
+    )
+    
     args = parser.parse_args()
     
     # Validate input files
@@ -338,12 +441,27 @@ Examples:
     # Display summary
     plan_generator.print_summary()
     
-    # Export to CSV
-    plan_generator.export_to_csv(args.output)
+    # Determine what to export
+    if args.summary_only:
+        # Only export summary
+        plan_generator.export_summary_csv(args.output)
+    elif args.summary:
+        # Export both detailed and summary
+        plan_generator.export_to_csv(args.output)
+        
+        # Generate summary filename
+        output_path = Path(args.output)
+        summary_filename = output_path.stem + '_summary' + output_path.suffix
+        summary_path = output_path.parent / summary_filename
+        plan_generator.export_summary_csv(str(summary_path))
+    else:
+        # Default: only export detailed plan
+        plan_generator.export_to_csv(args.output)
+        print("\nTip: Use --summary flag to also generate a summary CSV")
     
     print("\n✓ Complete!")
     return 0
 
 
 if __name__ == '__main__':
-    exit(main())
+    exit(main())
\ No newline at end of file