CHICAGO (WLS) -- Our coverage of the story has moved here.
A ransomware group that calls itself Rhysida has claimed it sold data stolen from Lurie Children's Hospital.
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The hospital confirmed it knows about the claims, saying, "We are aware that individuals claiming to be Rhysida, a known threat actor, claim to have sold data they allege was taken from Lurie Children's. We continue to work closely with internal and external experts as well as law enforcement, and are actively investigating the claims. The investigation is ongoing, and we will share updates as appropriate."
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The hospital has been dealing with a cybersecurity attack for weeks. The attack disrupted Lurie's phones, electronic health records platform and MyChart systems.
Phones and the health records platform are back up and running.