Cloudflare has blocked the largest attack in history to date. The most powerful wave of this attack reached 71 million requests per second (RPS).
The company said that they coped with more than one record attack, repelled several powerful DDoS waves directed at its customers at once.
“Most of the attacks peaked in the range of 50-70 million requests per second, and the largest of them exceeded 71 million requests per second,” Cloudflare writes. “This is the largest HTTP DDoS attack ever, exceeding the previous record of 46 million requests per second in June 2022 by more than 35 percent.”
Such attacks are commonly referred to as "volumetric" attacks and differ from classic DDoS attacks in that in this case, attackers focus on sending as many unwanted HTTP requests as possible to the victim's server in order to load its CPU and RAM, interfering with users use target sites.
The previous record, which experts write about, was recorded by Google in the summer of 2022. Then an unnamed Google Cloud Armor client was subjected to a DDoS attack over the HTTPS protocol, which reached a capacity of 46 million requests per second.
According to Cloudflare analysts, the new record attack came from more than 30,000 IP addresses belonging to several cloud providers. The DDoS has been directed against a number of targets, including game providers, cloud computing platforms, cryptocurrency companies, and hosters.
The company emphasized that the attack was not related to the activity of the Killnet hack group or the Super Bowl.
The Cloudflare report also notes that the new records are quite consistent with the company's recent research, according to which DDoS attacks become more frequent and more powerful every year:
- the number of HTTP DDoS attacks increased by 79% compared to last year;
- the number of "volume" attacks exceeding 100 Gbps increased by 67% compared to the previous quarter;
- the number of attacks lasting more than three hours increased by 87% compared to the previous quarter.
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