DDoS
We've curated 125 cybersecurity statistics about DDoS to help you understand how these disruptive attacks, which overwhelm networks and services, are evolving in 2025. Stay informed on the latest techniques and defenses against this growing threat!
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NETSCOUT monitored more than 8 million DDoS attacks globally in the first half of 2025.
A 1.5 Gpps DDoS attack occurred in the United States.
Bot-driven DDoS incidents peaked at 1,600 in March.
More than 3.2 million DDoS attacks in the first half of 2025 occurred in EMEA.
NoName057(16) claimed more than 475 DDoS attacks in March alone. This was 337% more than the next most active group.
DieNet orchestrated over 60 DDoS attacks since March.
Hacktivist groups like NoName057(16) orchestrated hundreds of coordinated DDoS attacks each month.
France experienced 5 times more DDoS attacks year-on-year.
Largest Single-Target Strike (2023): 960 Gb/s.
Mean Packet Rate Climb (Year-on-Year): 24% to 6.2 Mpps.
Increase in Packets-Per-Second Peaks: 28%.
Average Volumetric DDoS Attack Size (2024): 23.0 Gb/s.
Increase in Largest Volumetric Assault (2024 vs. 2023): 63%.
Increase in Average Volumetric DDoS Attack Size (2024 vs. 2023): 97%.
Sweden experienced 2.5 times more DDoS attacks year-on-year.
Largest Volumetric Assault on AS1299 (October 2024): 1.57 Tbps.
Germany experienced 3 times more DDoS attacks year-on-year.
Peak Packet Rate (August 2024): 440 Mpps.
DNS Amplification Dominance (2023): Accounted for 88% of amplified traffic
Peak Packet Rate (2023): 343 Mpps.