CME Data Center Outage Caused by Human Error, CyrusOne Says

Bloomberg TechnologySaturday, December 6, 2025 at 10:34:22 PM
NegativeTechnology
CME Data Center Outage Caused by Human Error, CyrusOne Says
  • A significant outage at a data center owned by CyrusOne caused markets operated by CME Group Inc. to be down for over 10 hours, attributed to human error. This incident disrupted trading activities and raised concerns about the reliability of critical infrastructure supporting financial markets.
  • The outage has serious implications for CME Group Inc., as it not only halted trading but also led to a halt in a planned $1.3 billion mortgage-bond sale for CyrusOne, highlighting the financial repercussions of operational failures in data management.
  • This incident underscores ongoing vulnerabilities in the infrastructure of major financial institutions, prompting CME Group to enhance its backup cooling systems to prevent future outages. The reliance on data centers for market operations raises questions about the robustness of contingency plans and the potential for similar disruptions in the future.
— via World Pulse Now AI Editorial System

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CME Data Center Woes Started 12 Hours Before Markets Opened
NegativeTechnology
The owner of the data center serving CME Group Inc. began experiencing technical issues approximately 12 hours before a significant cooling system outage that disrupted global markets. This incident has raised alarms regarding the reliability of the infrastructure supporting major financial operations.