Story perspectives
CyrusOne Boosts Cooling After 10-Hour Market Disruption
12/1/2025
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Story summary
- CyrusOne, the data center supporting CME Group Inc., enhanced its backup cooling capacity after a 10-hour outage caused by overheating disrupted global markets.
- The outage occurred at CyrusOne's Aurora, Illinois data center, located about 50 miles from Chicago.
- CyrusOne added redundancy to its cooling systems to mitigate future overheating.
- Operations have since been restored to a stable and secure state.
