<p><img src="https://images.cointelegraph.com/cdn-cgi/image/format=auto,onerror=redirect,quality=90,width=840/https://s3.cointelegraph.com/uploads/2023-10/949e2490-2d76-4eff-a7cf-8fa0d716b6e3.jpg"></p><p>September was the biggest exploit month in DeFi, with over $300 million in losses, taking the crown from August.</p>