United States
USA
DDoS attack disrupts Microsoft Azure and Microsoft 365 services worldwide
A distributed denial-of-service attack against Microsoft's Azure Front Door and CDN infrastructure on 30 July 2024 triggered widespread connectivity errors, timeouts and latency. An error in Microsoft's DDoS protection implementation amplified the incident, disrupting Azure, Microsoft 365, Microsoft Purview and other dependent services for roughly eight hours.
77
Estimated severity
77 / 100
96
Source reliability
96 / 100
Approximate Date
30/07/2024
Targeted Company
MICROSOFT
Targeted Company Supply Chain Impact
Distribution & Fulfillment
Procurement & Sourcing
Production & Manufacturing
Sales (Retail & Ecommerce)
Warehousing
Service Delivery
Unrecognized Impact
Supply Chain Relations
No information
Geographic Impact
Country Targeted Company
Other Affected Countries
No other affected countries reported
Target country
United States
Affected countries
No information
Impacted regions
No information
Operational Impact
Duration
0.33 days
Financial impact (USD M)
No information
Impact types
Service degradationService unavailabilityDownstream customer disruption
Affected sectors
Technology & IT Services
Affected departments
Information Technology
Attack Profile
Attack types
Distributed denial of service
Attributed threat actors
No information
Sources
Incident Sources
developer.microsoft.comhttps://developer.microsoft.com/en-us/reactor/events/23437/bleepingcomputer.comhttps://www.bleepingcomputer.com/news/microsoft/microsoft-says-massive-azure-outage-was-caused-by-ddos-attack/developer.microsoft.comhttps://developer.microsoft.com/en-us/reactor/events/23435/bloomberg.comhttps://www.bloomberg.com/news/articles/2024-07-30/microsoft-reports-outage-of-office-applications-and-services