Nov 30 (Reuters) - Data center operator CyrusOne has installed additional backup cooling capacity at its Aurora, Illinois data center after a failure last week triggered an outage at CME Group (CME.O) , opens new tab for several hours, Bloomberg News reported on Sunday, citing a statement by CyrusOne.

"CyrusOne has restored stable and secure operations at its Chicago 1 (CHI1) data center in Aurora, Illinois," the company said in a statement cited by Bloomberg, adding that they have installed additional redundancy to the cooling systems to further enhance continuity.

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Reuters could not immediately verify the report.

https://www.reuters.com/technology/data-center-operator-cyrusone-adds-more-cooling-after-outage-bloomberg-news-2025-11-30/