"An incredibly massive attack," Cloudflare reported one of the strongest DDoS attacks at 31.4 Tbps.
Cloudflare reports a “new world record” in cyber‑attacks
In its Q4 2025 report, the company disclosed alarming data about one of the largest publicly known DDoS attacks. Cloudflare dubbed it a “new world record,” and the attack was carried out by the Aisuru/Kimwolf botnet as part of the *“Night Before Christmas”* campaign that began on December 19.
| Metric | Value |
|---|---|
| Packet rate | Over 94 % of attacks ranged from 1 to 5 billion packets per second |
| Duration | 58 % of incidents lasted 1–2 minutes |
Increase in DDoS attacks
* The total number of cyber‑attacks in Q4 2025 rose by 31 % compared with the previous quarter and by 58 % versus the same period last year.
* Targeted sectors:
* 42 % – telecommunications providers
* 15 % – IT‑services vendors
* 2 % – gaming industry
Geography of attacks
| Rank | Country |
|---|---|
| 1–4 | China, Hong Kong, Germany, Brazil |
| 5 | United States (right after the United Kingdom) |
The most frequent sources by request volume were:
1. Bangladesh
2. Ecuador
3. Indonesia
4. Argentina
5. Hong Kong
Who is behind the attacks?
Cloudflare notes that the “top ten source networks” essentially form a list of internet giants:
> *“Attackers are using the most readily available and powerful network infrastructure in the world, primarily large public services.”*
The biggest cloud‑resource providers becoming targets for DDoS attacks include:
* DigitalOcean
* Microsoft Azure
* Tencent Cloud
* Oracle Cloud
* Hetzner
These platforms illustrate a close link between easy deployment of virtual machines and mass cyber‑attacks.
Asted Cloud
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