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Microsoft need to be transparent about customer impacting DDoS attacks

ID: 3bccc747-948f-5951-bbfe-f54e3b355f41

STIX ID: report--3bccc747-948f-5951-bbfe-f54e3b355f41

Feed Name: DoublePulsar

Threat Score
70/100

Date Published: 2024-07-30

Date Updated: 2026-04-19

Author: Kevin Beaumont

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The report describes repeated botnet-driven DDoS attacks that caused customer-impacting outages across Microsoft Azure and Microsoft 365 services, recounting a multi-day incident in June 2023 and a subsequent similar event. The author notes limited public disclosure from Microsoft and tracks the ongoing attack activity attributed to a botnet.

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