Outlook outage sounds cloud alarm
A global outage of Microsoft's Outlook email service has renewed concerns over cloud concentration risks, highlighting the vulnerability of businesses that rely heavily on a handful of technology providers and the urgent need for stronger digital resilience and backup systems.
A widespread outage on Thursday disrupted Microsoft 365 services, including Outlook, Teams, and Copilot 365, affecting health care providers, schools, and government bodies worldwide. The issue began around 2 PM ET, disrupting businesses and organizations that rely on Microsoft services. Microsoft worked overnight to restore service, but it wasn't until around 8:30 AM ET the following morning that positive results for service stability started to emerge.
By 10:39 AM ET, the company reported encouraging recovery progress across affected regions, with service availability and email delivery performance improving for a growing portion of affected infrastructure. Microsoft has not seen any evidence of malicious activity causing the outage.
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