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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Largest Single-Target Campaign (Cloudflare 2024): 4.2 Tb/s.
Average Volumetric Size of DDos Attacks (Overall): Nearly doubled to 23 Gb/s.
DNS Amplification Dominance (2024): Accounted for 55% of all amplified traffic.
The Asia-Pacific region accounted for 38% of all volumetric DDoS attacks in the financial sector, up from 11% in 2023.
Application-layer DDoS attacks against the financial sector increased 23% between 2023 and 2024.
In 2024, the financial services sector was the top target of volumetric DDoS attacks.
There was a major spike in volumetric DDoS attacks targeting the financial sector in October 2024.
Almost one in four (24 percent) of manufacturing and automotive decision-makers say that they are already facing DDoS attacks specifically engineered to circumvent AI-driven cybersecurity defenses.
Across both sectors (manufacturing and automotive), 70% of respondents expect DDoS attack mitigation to be largely driven by AI (as opposed to humans) within four years.
The percentage of DDoS attacks in the 1-5Gbps range fell from 19.4% of all attacks in 2019 to just 12.4% in 2024.
68% reported challenges demonstrating the ROI of DDoS protection to leadership
Corero customers experienced an average of 11 DDoS attacks per day in 2024. This represents a 5% year-over-year increase.
Over 50% of respondents cited difficulty coordinating across teams when it came to DDoS attacks.
In multi-vector DDoS attacks, threat actors rotate between protocols every 30–60 seconds.
The percentage of DDoS attacks in the 1-5Gbps range fell from 19.4% of all attacks in 2019 to just 12.4% in 2024.
In early 2023, Akamai observed monthly Layer 7 DDoS attack numbers of 500 billion. This rose to 1.1 trillion in one month by December 2024.
Quarterly Layer 7 (application-layer) distributed denial-of-service (DDoS) attack volumes increased 94% year-over-year between Q1 2023 and Q4 2024.
There were 7 trillion Layer 7 DDoS attacks targeting the high technology sector from January 2023 through December 2024, making it the most affected industry for this type of attack.
20% of UK businesses have been impacted by Distributed Denial of Service (DDoS) attacks .
Israel experienced a 2,844% surge in DDoS attacks tied to hostage rescues and political conflicts.