Global Microsoft 365 outage disrupts Teams and Exchange services
Briefly

Microsoft's recent service disruption affected vital applications like Teams and Exchange Online, resulting from an overly aggressive traffic management update. This incident revealed significant vulnerabilities in the company's cloud infrastructure, with the faulty code causing widespread access failures and user logouts. Although Microsoft quickly implemented mitigation strategies, concern remains about the brittleness of cloud services, as this is not an isolated incident but part of a troubling trend of outages across the industry. Experts are warning that emerging cloud fragility poses risks to both consumers and enterprises reliant on these systems.
The Microsoft outage that disrupted Teams, Exchange Online, and related services was ultimately caused by an overly aggressive traffic management update that unintentionally rerouted and choked legitimate service traffic.
According to Microsoft's official post-incident report, the faulty code was rolled back swiftly, but not before triggering global access failures, authentication timeouts, and mass user logouts.
Read at Computerworld
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