Azure hit by 15 Tbps DDoS attack using 500k IP addresses
speckx Monday, November 17, 2025
https://techcommunity.microsoft.com/blog/azureinfrastructure...
Summary
Microsoft reported that its Azure cloud service was targeted by a massive 15 Tbps distributed denial-of-service (DDoS) attack that utilized the Aisuru botnet, which employed over 500,000 IP addresses. This was one of the largest DDoS attacks ever recorded.
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