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Gcore Mitigates Record-Breaking 6 Tbps DDoS Attack

Network service provider G-Core Labs reported successfully mitigating a distributed denial-of-service (DDoS) attack reaching an unprecedented 6 terabits per second. The attack targeted a client's services.

11 October 2026
Gcore Mitigates Record-Breaking 6 Tbps DDoS Attack

Network service provider G-Core Labs announced it has successfully mitigated a massive distributed denial-of-service (DDoS) attack, registering at 6 terabits per second. The company stated this was the largest attack of its kind they have recorded.

G-Core Labs reported that its security systems detected and neutralized the attack without causing significant service disruptions for its clients. According to the company, the attack was complex, utilizing various network protocols and attack vectors.

Distributed denial-of-service attacks aim to overwhelm target servers or networks with an enormous volume of traffic, rendering them inaccessible to legitimate users. The scale and sophistication of these attacks have increased significantly in recent years, posing ongoing challenges for protecting online services.

G-Core Labs offers services including content delivery networks (CDN), cloud computing, and network security. The company has previously reported deflecting large-scale DDoS attacks, highlighting its role in safeguarding global digital infrastructure.

Original source: gcore.com