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Record-breaking 11.5 Tbps UDP Flood DDoS Attack Originated from Google Cloud Platform

Cloudflare has recently announced the successful mitigation of a significant Distributed Denial-of-Service (DDoS) attack, which reached a peak of 11.5 terabits per second (Tbps). This attack, characterized as a User Datagram Protocol (UDP) flood,…

GBy Grace BennettSep 02, 20251 min read

Cloudflare has recently announced the successful mitigation of a significant Distributed Denial-of-Service (DDoS) attack, which reached a peak of 11.5 terabits per second (Tbps). This attack, characterized as a User Datagram Protocol (UDP) flood, primarily originated from compromised resources on the Google Cloud Platform.

The attack was detected and neutralized by Cloudflare's automated defense systems within approximately 35 seconds. An image provided by Cloudflare illustrates the rapid escalation to 11.5 Tbps before the situation was brought under control.

Cloudflare's systems autonomously identified and mitigated the threat, underscoring the importance of automated defenses in modern cybersecurity. These technologies are crucial for addressing cyberattacks that can emerge and dissipate rapidly.

This event is part of a broader trend, as Cloudflare reports having repelled numerous hyper-volumetric DDoS attacks in recent weeks. Another notable incident involved an assault reaching 5.1 billion packets per second (Bpps), highlighting the ongoing threat to online services.

This attack, characterized as a User Datagram Protocol (UDP) flood, primarily originated from compromised resources on the Google Cloud Platform.
Grace Bennett · Thehackingpost

A UDP flood attack involves overwhelming a target server with a large volume of UDP packets. Due to the connectionless nature of UDP, the server can become quickly overwhelmed, making it difficult to manage legitimate traffic.

The use of cloud platforms like Google Cloud by malicious actors to orchestrate large-scale attacks presents a significant cybersecurity challenge. These platforms' vast resources and scalability enable the creation of botnets powerful enough to execute attacks that are otherwise difficult to achieve with traditional hardware.

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Cloudflare has indicated that a comprehensive technical analysis of this attack will be shared in an upcoming report.

Based on reporting by Cyber Security News.

AI transparency. This article was produced with the assistance of artificial intelligence and published under human editorial oversight. AI systems can make mistakes. Read how we use AI (EU AI Act, Art. 50).
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