Cloudflare successfully defended against a record-breaking distributed denial-of-service attack. This massive assault peaked at 11.5 terabits per second, significantly larger than a previous 7.3 Tbps attack. The attack, a hyper-volumetric UDP flood, lasted approximately 35 seconds. It involved over 5.1 billion packets per second. The attack originated from a combination of IoT devices and cloud providers, with compromised Google Cloud accounts being a significant source. The specific target of this attack was not revealed. The intent of such attacks is to disrupt online services by overwhelming victim networks. Cloudflare's automated, distributed network detected and neutralized the threat in real time. This mitigation occurred without significant impact on customer services or needing manual intervention. The event underscores the increasing sophistication of cyberattacks and the effectiveness of modern defense systems like Cloudflare's.