Microsoft Confirms New Outage Was Triggered by Cyberattack
Microsoft confirmed a cyberattack caused a nearly 10-hour outage of Azure services on July 30, 2024, affecting Microsoft 365 products. A DDoS attack overwhelmed services, revealing flaws in security measures.
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Microsoft confirmed that a cyberattack caused an outage of its Azure services on July 30, 2024. The incident, which lasted nearly 10 hours, affected various Microsoft services, including Microsoft 365 products like Office and Outlook, as well as Azure itself. The outage began around 11:45 AM UTC and was resolved by 7:43 PM. Users reported difficulties accessing services, with notable impacts on companies such as U.K. bank NatWest.
The company identified the initial trigger as a distributed denial of service (DDoS) attack, which overwhelmed its services with excessive traffic. Although Microsoft had DDoS protection mechanisms in place, an error in their implementation exacerbated the situation, leading to performance issues such as timeouts and latency spikes. This incident follows a previous issue caused by a CrowdStrike update that affected Microsoft Windows machines, raising concerns about the company's software reliability.
Microsoft has committed to transparency regarding the incident and plans to release a Preliminary Post Incident Review within 72 hours to provide further details. In the meantime, Microsoft services have reportedly returned to normal operation. The situation underscores the importance of thorough testing of cybersecurity measures to prevent similar occurrences in the future.
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