DDoS
We've curated 87 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!
Showing 21-40 of 87 results
The Link11 network recorded 225% more DDoS attacks in the first half of 2025 compared to the same period last year.
The largest DDoS attack between January and July 2025 reached a maximum bandwidth of over 1.2 Tbit/s. This is double the largest attack in the first half of 2024, which was 694 Gbit/s.
In 2025, 98% of DDoS attacks routed malicious traffic through the US.
Attack success rates demonstrate that 40% to 50% of systems are still inadequately protected against politically motivated attack tactics.
The highest maximum number of packets transmitted per second recorded was 207,090,400 packets per second in the first half of 2025. 207 million packets per second can paralyze firewalls, servers, and entire networks within seconds.
The maximum DDoS attack duration in June 2024 was only 73 minutes.
Targeted sectors by DDoS attack in the first half of 2025: Defense (23% - an increase of 14%), retail & e-commerce (18% - an increase of 8%), logistics & transport (15% - an increase of 9%), public sector (11%), education (9%), finance (6%), healthcare (5%), telco (5%), technology, IT, Internet (4%), and other (4%).
Targeted sectors by DDoS attack in the first half of 2025: Defense (23% - an increase of 14%), retail & e-commerce (18% - an increase of 8%), logistics & transport (15% - an increase of 9%), public sector (11%), education (9%), finance (6%), healthcare (5%), telco (5%), technology, IT, Internet (4%), and other (4%).
One observed Layer 7 DDoS attack used around 20,000 legitimate HTTP requests per minute to disrupt sensitive areas. This is compared to 200 million packets per second for brute force attacks, indicating that precision can be more dangerous if unnoticed.
Backbone DDoS attacks (targeting Internet service provider or data center infrastructure) increased by 143% compared to the first half of 2024.
Targeted sectors by DDoS attacks in the first half of 2024: Finance (17%), public Sector (11%), retail & e-Commerce (10%), defense (9%), telco (8%), healthcare (7%), education (6%), media (6%), food (6%), energy (6%), logistics & transport (6%), other (10%).
The longest DDoS attack in the first half of 2024 lasted 1,523 minutes (approximately 1 day and 1 hour).
The longest documented DDoS attack in the first half of 2025 lasted 12,388 minutes (8 days and 14 hours).
Keymous+ launched 73 DDoS attacks across 28 industry sectors in 23 countries since March.
More than 3.2 million DDoS attacks in the first half of 2025 occurred in EMEA.
Bot-driven DDoS incidents peaked at 1,600 in March.
The Iran-Israel conflict generated more than 15,000 DDoS attacks against Iran in June.
More than 880 bot-driven DDoS attacks occurred daily in March.
DieNet orchestrated over 60 DDoS attacks since March.
Hacktivist groups like NoName057(16) orchestrated hundreds of coordinated DDoS attacks each month.