Gcore Radar Report Reveals 41% Surge in DDoS Attack Volumes

Gcore has released a Radar report for Q1-Q2 2025 showing a 41% rise in DDoS attack volumes compared with the same period in 2024. The findings highlight an escalation in both the total number of DDoS attacks and their magnitude, with the largest attack peaking at 2.2 Tbps in Q1-Q2 2025. The report records the total number of DDoS attacks rising to 1.17 million in H1 2025, up from 969,000 in H2 2024, and notes that application-layer attacks increased by 10% compared with the prior period.

It also observes a shift in targets, with tech and financial services attacks each up by 15% and gaming’s share of total attacks falling to 30% in the last year. Geographically, Hong Kong emerges as a new threat source, accounting for 17% of network-layer and 10% of application-layer attacks, while the United States and the Netherlands remain top sources.

Andrey Slastenov, Head of Security at Gcore, described the Radar as a wake-up call for businesses to invest in robust DDoS detection and protection. according to Gcore.