Change Healthcare confirms that the ransomware group BlackCat is behind the ongoing attack that caused widespread disruptions to pharmacies across the US (Ashley Capoot/CNBC)

Ashley Capoot / CNBC:

Change Healthcare confirms that the ransomware group BlackCat is behind the ongoing attack that caused widespread disruptions to pharmacies across the US  —  - Change Healthcare on Thursday confirmed that the ransomware group Blackcat is behind the ongoing cybersecurity attack that's been impacting its systems since last week.

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