Cloudflare’s Blockbuster DDoS Defense: Smashing Records with 11.5 Tbps Block!
Cloudflare blocked the largest DDoS attack ever at 11.5 Tbps. This UDP flood originated from Google Cloud, making it a heavyweight bout lasting just 35 seconds. With Cloudflare’s defenses on high alert, they blocked hundreds of such attacks, proving that size doesn’t always matter—except when it does.

Hot Take:
Cloudflare’s recent DDoS blocking escapade is like the internet’s version of WWE Smackdown, with them body-slamming the largest DDoS attack ever recorded. At 11.5 Tbps, it’s a digital feat that makes The Rock raising an eyebrow seem like child’s play. Cloudflare is the internet’s undisputed heavyweight champion, and the rest of the cybercriminal world should take note – you can’t see them!
Key Points:
- Cloudflare blocked the largest DDoS attack ever recorded at 11.5 Tbps.
- The attack was a UDP flood originating mainly from Google Cloud infrastructure.
- The attack had a packet rate of 5.1 billion packets per second (Bpps).
- This attack surpasses the previous record of 7.3 Tbps set just three months prior.
- Cloudflare also noted a massive increase in DDoS attacks in 2025, exceeding 27.8 million.
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