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DDoS attack volumes reached 12 Tbps in Q4, representing a sixfold increase.
Mexico, Brazil, and the United States accounted for 31%, 24%, and 20% of network-layer observed attack traffic, respectively.
64% of application-layer DDoS attacks exceed 10 minutes.
Brazil featured prominently in network-layer attacks at 14%.
The longest DDoS attack duration during Q3-Q4 2024 was five hours, a significant decrease from 16 hours in the first half of the year.
The Netherlands is a key source of DDoS attacks, leading application-layer attacks with 21% and ranking second for network-layer attacks at 18%.
Total number of DDoS attacks increased to 1,300,000 in Q4 2025 from 512,000 in Q4 2024.
DDoS attack peak volume increased from 2.2 Tbps to 12 Tbps, a sixfold increase.
Network-layer attacks accounted for 82% of all observed DDoS incidents, a 20% increase from the previous report.
75% of network-layer DDoS attacks last less than one minute.
Only 2% of network-layer DDoS attacks extend beyond ten minutes.
The United States accounted for 23% of application-layer DDoS attack representation.
Technology, financial services, and gaming accounted for 34%, 20%, and 19% of DDoS attacks, respectively.
Mexico and Brazil together accounted for 55% of observed DDoS attack activity.
The largest DDoS attack peaked at 2 Tbps in Q3-Q4 2024, an 18% increase from Q1-Q2 2024.
The U.S. ranked highly across both layers (application-layer attacks and network-layer attacks).
There was a 17% increase in the total number of DDoS attacks in Q3-Q4 2024 compared with Q1-Q2 2024.
The technology industry has seen a steady increase in DDoS attacks, rising from 7% to 19% since Q3-Q4 2023.
The gaming industry accounted for 34% of all DDoS attacks, making it the most targeted sector. However, attacks on the gaming industry were 31% fewer compared to Q1-Q2 2024.
Indonesia showed a growth in application-layer attacks at 8%
The financial services sector experienced a significant increase in DDoS attacks, accounting for 26% of all DDoS attacks, up from 12% in the previous period. This represents a 117% increase in the number of attacks.
The number of DDoS attacks increased by 56% compared to Q3-Q4 2023. This highlights a significant long-term growth trend.