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Link11
Cybersecurity reports and statistics published by Link11
8 categories2 reports
Research Reports
Reports and publications from Link11
Recent Statistics & Reports
The longest recorded DDoS attack lasted 12,388 minutes (over eight days) in the Link11 network.
5/27/2026•
DDoSDDoS Attack DurationNetwork Security
On average, 2.8 follow-up DDoS attacks occured after an initial incident, an 80% increase compared to the previous year.
5/27/2026•
DDoSDDoS Attack FrequencyCyber Resilience
Three DDoS attacks surpassed 1 Tbit/s in 2025.
5/27/2026•
DDoSHigh-Bandwidth AttacksNetwork Infrastructure
The strongest DDoS attack measured 1.33 Tbit/s and exceeded 120 million packets per second.
5/27/2026•
DDoSTraffic RateNetwork Security
A coordinated series of DDoS attacks totaled 509 terabytes of data in 2025.
5/27/2026•
DDoSNetwork TrafficEurope
Active DDoS attacks were observed 88% of the time, equating to 322 days per year when systems in the Link11 network are targeted.
5/27/2026•
DDoSEurope
There is greater than a 70% probability that an initial DDoS attack is followed by at least one additional attack.
5/27/2026•
DDoSDDoS Attack PatternsEurope
The number of documented DDoS attacks in the Link11 network rose by 75% in 2025, after a 137% increase the previous year.
5/27/2026•
DDoSDDoS Attack TrendsNetwork Security
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.
9/9/2025•
DDoS
The longest documented DDoS attack in the first half of 2025 lasted 12,388 minutes (8 days and 14 hours).
9/9/2025•
DDoS
In 2025, 31% of DDoS attacks routed malicious traffic through Germany.
9/9/2025•
DDoS
Targeted Sectors (Web Application and API Protection - WAAP) The analysis shows a shift in affected sectors between the first half of 2024 and the first half of 2025:
9/9/2025•
DDoS
The Link11 network recorded 225% more DDoS attacks in the first half of 2025 compared to the same period last year.
9/9/2025•
DDoS
The cumulative DDoS attack volume rose from 110 TB in the first half of 2024 to 438 TB in the first half of 2025. 438 TB is equivalent to over 7 years of uninterrupted Netflix streaming in 4K. It is enough data for more than 1,700 years of uninterrupted audiobook playback.
9/9/2025•
DDoS
The longest DDoS attack in the first half of 2024 lasted 1,523 minutes (approximately 1 day and 1 hour).
9/9/2025•
DDoS
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.
9/9/2025•
DDoS
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%).
9/9/2025•
DDoS
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.
9/9/2025•
DDoS
In 2025, 98% of DDoS attacks routed malicious traffic through the US.
9/9/2025•
DDoS
The maximum DDoS attack duration in June 2024 was only 73 minutes.
9/9/2025•
DDoS
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