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.
Diameter of the largest DDoS attacks worldwide from 2021 to 2024 (in Terabits per second)
00.511.522.5
* 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.
Leading companies trust Statista:
I think of Statista as Google for researchers. Statista provides you with the information you search for right away.
Dr. Horst Stipp
EVP, Research & Innovation, Advertising Research Foundation
Other statistics that may interest you Cyber insurance
Overview
8
- Premium Statistic Cyber insurance market size worldwide 2019-2023, with forecast for 2027
- Premium Statistic Cyber insurance premium and annual growth rate worldwide 2020-2024 forecast to 2029
- Premium Statistic Biggest risks to businesses worldwide 2018-2025
- Basic Statistic Cybercrime incidents worldwide 2022-2023, by industry and organization size
- Basic Statistic Cybercrime encounter rate in selected countries 2022
- Premium Statistic Average total cost per data breach worldwide 2020-2024, by industry
- Premium Statistic Executives' views on post-incident coverage of cyber insurance 2024
- Premium Statistic Executives' views on cyber insurance policy coverage for cyberattacks 2024
Sales and market penetration
8
- Premium Statistic Cyber insurance direct written premiums in the U.S. 2015-2023, by type
- Premium Statistic Cyber insurance direct written premiums vs loss ratio in the U.S. 2019-2023
- Premium Statistic Cybersecurity insurance status of companies in major regions worldwide 2024
- Premium Statistic Cybersecurity insurance status of companies worldwide 2024 by company revenue size
- Premium Statistic French companies with cyber insurance 2021-2023
- Premium Statistic Portion of companies inadequate to defend against cyberattacks worldwide 2024
- Premium Statistic Leading reasons for companies not having cyber insurance worldwide 2024
- Premium Statistic Loss ratio of French cyber insurers 2019-2023
Cyber insurers
4
- Premium Statistic Leading U.S. cyber insurers 2023, by direct cyber security premiums written
- Premium Statistic Market share of largest U.S. cyber insurance companies 2023
- Premium Statistic Cyberattacks rate of concern among companies worldwide 2024, by country
- Premium Statistic Leading cybersecurity companies in EMEA 2025, by max and min estimated revenue
Cyber insurance claims
5
- Premium Statistic Average claim amount of cyber insurance worldwide 2021-2023
- Premium Statistic French companies with cyber insurance who have ever submitted a claim 2021-2023
- Premium Statistic Gross cyber insurance claims reported to Coalition in the U.S. 2023
- Premium Statistic Overall claims frequency of cyber insurance worldwide 2021-2023
- Premium Statistic Source of ransomware payments funding worldwide 2024, by payment source
Discover Statista
Need help with using Statista for your research?
Tutorials and first steps
Further Content: You might find this interesting as well
* 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 May 02, 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 May 02, 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: May 02, 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 May 02, 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/
