Cloudflare Thwarts Largest Ever HTTP DDoS Attack

Healthcare Info Security

Prajeet Nair

Security firm Cloudflare says it detected and mitigated a 17.2 million request-per-second (rps) distributed denial of service attack, almost three times larger than any previously reported HTTP DDoS attack.

DDoS attacks are often waged as part of extortion campaigns, with hackers threatening to escalate attacks if a ransom is not paid.

"Cloudflare serves over 25 million HTTP requests per second on average. This refers to the average rate of legitimate traffic in 2021 Q2. So peaking at 17.2 million rps, this attack reached 68% of our Q2 average rps rate of legitimate HTTP traffic," said Omer Yoachimik, product manager at Cloudflare's DDoS Protection Service.

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Cloudflare notes that the attack traffic originated from...

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