Largest Azure DDoS Attack Powered by Aisuru Botnet

Microsoft this week reported that it recently mitigated a record-breaking distributed denial-of-service (DDoS) attack aimed at its Azure cloud service.

The tech giant said it was the “largest DDoS attack ever observed in the cloud”, peaking at 15.72 terabits per second (Tbps) and nearly 3.64 billion packets per second (Bpps).

However, Microsoft confirmed to SecurityWeek that the figure referred to the largest attack ever recorded targeting Azure, and not the largest DDoS attack recorded globally.

The largest publicly reported DDoS attack to date was aimed at a European network infrastructure company, and it peaked at 22.2 Tbps and 10.6 Bpps, according to Cloudflare. The attack was powered by the Aisuru botnet.

The attack on Azure was conducted on October 24 and it targeted a single endpoint in Australia. Similar to the 22 Tbps attack observed by Cloudflare, the Azure attack was powered by Aisuru.

“The attack ...