New ‘HTTP/2 Rapid Reset’ technique behind record-breaking DDoS attacks

Pierluigi Paganini October 10, 2023

A new DDoS technique named ‘HTTP/2 Rapid Reset’ is actively employed in attacks since August enabling record-breaking attacks.

Researchers disclosed a new zero-day DDoS attack technique, named ‘HTTP/2 Rapid Reset’, that was exploited since August in record-breaking attacks.

Google announced to have observed a new series of massive DDoS attacks that reached a peak of 398 million requests per second (rps). The attacks relied on the novel HTTP/2 Rapid Reset technique, which is based on stream multiplexing that has affected multiple Internet infrastructure companies.