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Mitigating Hyper-Volumetric HTTP/2 DDoS Attacks

Record-Breaking 100 Million RPS DDoS Attack Exploits HTTP/2 Rapid Reset Flaw (thehackernews.com) Cloudflare said it mitigated thousands of hyper-volumetric HTTP distributed denial-of-service (DDoS) attacks that exploited a recently disclosed flaw called HTTP/2 Rapid Reset, 89 of which exceeded 100 million requests per second (RPS).2"The campaign contributed to an overall increase of 65% in HTTP DDoS attack traffic in Q3 compared to the2previous quarter," the web infrastructure and security company2said2in a report shared with The Hacker News. "Similarly,2L3/4 DDoS attacks also increased by 14%."2The total number of HTTP DDoS attack requests in the quarter surged to 8.9 trillion, up from 5.4 trillion in Q2 2023 and 4.ffi trillion in Q1 2023. The number of attack requests in Q4 2022 stood at 6.5 trillion. Reporting an attack can damage an organization's reputation, making them appear vulnerable or insecure. This could lead to a loss of trust from customers and stakeholders. Also, disclosing an attack might trigger legal and regulatory requirements that the organization is not prepared to handle. 2