“Those who only react after an attack
have already lost.”
Probability of follow-up attacks
is over 70%.
ATTACK
509
TB
Maximum attack volume, series of attacks on the same target(2025)
Incident Report // #L11-2025-AX
Vector
DDoS (Carpet Bombing)
Duration
51 Hours Sustained
Target
Infrastructure Core
Status
100% Mitigated
SYSTEM INTEGRITY MAINTAINED THROUGHOUT INCIDENT.
More.
Longer. Bigger.
DDoS undergoing structural change: 2024 as a turning point, 2025 as the new reality.
8
Record Duration
8
DAYS
Non-stop assault
The attack series lasted exactly 12,388 minutes — a dramatic increase compared to 2024 (2,689 minutes).
DAY_01
DAY_02
DAY_03
DAY_04
DAY_05
DAY_06
DAY_07
DAY_08
Total Duration of All Attacks
88%
Of the entire year
464,971
Minutes
7,749
Hours
322
Days
THREAT_LEVEL: CRITICAL
Terabits are no longer an exception
Registration of three attacks beyond the 1 Tbit/s mark in 2025. In direct comparison, 2024 had only one attack that exceeded 1 Tbit/s.
Downtime costs per hour (Euro – €)
50k – 250k
The damage is even greater if your customers lose trust.
Losses in revenue
Contractual Penalties
Support Effort
DDoS attacks increased again in Year-over-Year comparison
Attacks on just one day (1st March 2025)
1,247
Number of attacks continues to rise:
2024 – 2025 (Rise in attacks YoY)
75%
2023 – 2024 (Rise in attacks YOY)
137%
2022 – 2023
Baseline
By 2030
the number of attacks and volumes is expected to rise even further.
Jan
Dec
Most dangerous traffic share
Hosting & Cloud Providers
50%
of traffic is malicious
Server capacities are purchased with stolen credit cards—it is virtually impossible for providers to check this immediately.
Cloud Provider
40%
Traffic
Hosting Provider
60%
Traffic
Fake Google Traffic is increasing massively
Fake Google Bot Traffic
96%
Real Google Bot Traffic
4%
Measured in the Link11 network. Be aware that Google traffic is no longer just essential crawler traffic.
Spoofing cases of fake Google bot traffic
700,000
Get a much deeper insight with the European Cyber Report 2026
Download now for free
Built to defend.
Always at Your Side.