Largest DDoS attacks size global 2021-2024
Between 2021 and 2024, the magnitude of the largest DDoS attacks have increased steadily. The attack with the largest breadth was recorded in 2024, reaching two Terabits per second.
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Diameter of the largest DDoS attacks worldwide from 2021 to 2024 (in Terabits per second)
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* For commercial use only
Basic Account
For single users
$0 USD
Always free
Access limited to Free Statistics. Premium Statistics are not included.
- Free Statistics
Based on your interests
Starter Account
For single users
$199 USD
per month, billed annually
1
- Free Statistics
- Premium Statistics
Professional Account
For teams of up to 5 people
$1,299 USD
per month, billed annually
1
- Free + Premium Statistics
- Reports
- Market Insights
1 All prices do not include sales tax. The account requires an annual contract and will renew after one year to the regular list price.
The Hacker News. (February 10, 2025). Diameter of the largest DDoS attacks worldwide from 2021 to 2024 (in Terabits per second) [Graph]. In Statista. Retrieved August 16, 2025, from https://www.statista.com/statistics/1557662/ddos-attacks-global-size/
The Hacker News. "Diameter of the largest DDoS attacks worldwide from 2021 to 2024 (in Terabits per second)." Chart. February 10, 2025. Statista. Accessed August 16, 2025. https://www.statista.com/statistics/1557662/ddos-attacks-global-size/
The Hacker News. (2025). Diameter of the largest DDoS attacks worldwide from 2021 to 2024 (in Terabits per second). Statista. Statista Inc.. Accessed: August 16, 2025. https://www.statista.com/statistics/1557662/ddos-attacks-global-size/
The Hacker News. "Diameter of The Largest Ddos Attacks Worldwide from 2021 to 2024 (in Terabits per Second)." Statista, Statista Inc., 10 Feb 2025, https://www.statista.com/statistics/1557662/ddos-attacks-global-size/
The Hacker News, Diameter of the largest DDoS attacks worldwide from 2021 to 2024 (in Terabits per second) Statista, https://www.statista.com/statistics/1557662/ddos-attacks-global-size/ (last visited August 16, 2025)
Diameter of the largest DDoS attacks worldwide from 2021 to 2024 (in Terabits per second) [Graph], The Hacker News, February 10, 2025. [Online]. Available: https://www.statista.com/statistics/1557662/ddos-attacks-global-size/
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