Report by Arelion

DDoS Threat Landscape Report 2025

16 FINDINGSPublished Jun 12, 2025
View Original Report →

Key Findings

Sweden experienced 2.5 times more DDoS attacks year-on-year.

ArelionDDoS Threat Landscape Report 2025·Jun 12, 2025
DDoSSweden

Increase in Largest Volumetric Assault (2024 vs. 2023): 63%.

ArelionDDoS Threat Landscape Report 2025·Jun 12, 2025
DDoS

Average Volumetric Size of DDos Attacks (Overall): Nearly doubled to 23 Gb/s.

ArelionDDoS Threat Landscape Report 2025·Jun 12, 2025
DDoS

Largest Single-Target Campaign (Cloudflare 2024): 4.2 Tb/s.

ArelionDDoS Threat Landscape Report 2025·Jun 12, 2025
DDoS

Largest Single-Target Strike (2023): 960 Gb/s.

ArelionDDoS Threat Landscape Report 2025·Jun 12, 2025
DDoS

Peak Packet Rate (2023): 343 Mpps.

ArelionDDoS Threat Landscape Report 2025·Jun 12, 2025
DDoS

DNS Amplification Dominance (2023): Accounted for 88% of amplified traffic

ArelionDDoS Threat Landscape Report 2025·Jun 12, 2025
DDoS

Largest Volumetric Assault on AS1299 (October 2024): 1.57 Tbps.

ArelionDDoS Threat Landscape Report 2025·Jun 12, 2025
DDoS

Average Volumetric DDoS Attack Size (2024): 23.0 Gb/s.

ArelionDDoS Threat Landscape Report 2025·Jun 12, 2025
DDoS

DNS Amplification Dominance (2024): Accounted for 55% of all amplified traffic.

ArelionDDoS Threat Landscape Report 2025·Jun 12, 2025
DDoS

France experienced 5 times more DDoS attacks year-on-year.

ArelionDDoS Threat Landscape Report 2025·Jun 12, 2025
DDoSFrance

Increase in Average Volumetric DDoS Attack Size (2024 vs. 2023): 97%.

ArelionDDoS Threat Landscape Report 2025·Jun 12, 2025
DDoS

Increase in Packets-Per-Second Peaks: 28%.

ArelionDDoS Threat Landscape Report 2025·Jun 12, 2025
DDoS

Germany experienced 3 times more DDoS attacks year-on-year.

ArelionDDoS Threat Landscape Report 2025·Jun 12, 2025
DDoSGermany

Peak Packet Rate (August 2024): 440 Mpps.

ArelionDDoS Threat Landscape Report 2025·Jun 12, 2025
DDoS

Mean Packet Rate Climb (Year-on-Year): 24% to 6.2 Mpps.

ArelionDDoS Threat Landscape Report 2025·Jun 12, 2025
DDoS