By David Jones
Publication Date: 2025-11-19 09:42:00
Microsoft said Monday it was able to neutralize a record breaking distributed denial of service attack against its Azure service in late October.
The multivector attack, measuring 15.72 Tbps and almost 3.64 billion packets per second, was the largest single attack in the cloud ever recorded, according to the company.
The company traced the attack to the Aisuru botnet, which often targets compromised home routers and cameras. Most of the threat activity linked to Aisuru involved residential internet service providers in the U.S., but also includes other countries, according to Microsoft.
Aisuru botnet was linked to a surge in DDoS activity in late October. Multiple “demonstration attacks” measuring more than 20 Tbps were reported, according to a blog from Netscout. The attacks mainly targeted internet gaming organizations.
“Aisuru and the emerging family of related TurboMirai high-impact DDoS botnets represent a…