Story perspectives

Microsoft Azure Thwarts Record 15.72 Tbps DDoS Attack

11/17/2025

50 5

Summary

Story summary

On Oct 24, 2025, Microsoft Azure's Distributed Denial-of-Service (DDoS) Protection mitigated a record 15.72 Tbps attack, the largest in the cloud.
The attack targeted a single public IP in Australia, delivering 3.64 billion packets per second.
The assault originated from the Aisuru botnet, which has rapidly expanded and evades detection.
Microsoft urged organizations to secure cloud workloads and urged users to update firmware and change credentials before the holiday season.

1 of 1

Story summary

On Oct 24, 2025, Microsoft Azure's Distributed Denial-of-Service (DDoS) Protection mitigated a record 15.72 Tbps attack, the largest in the cloud.
The attack targeted a single public IP in Australia, delivering 3.64 billion packets per second.
The assault originated from the Aisuru botnet, which has rapidly expanded and evades detection.
Microsoft urged organizations to secure cloud workloads and urged users to update firmware and change credentials before the holiday season.