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The Clop ransomware(opens in new tab) group has attacked a well-known B2B file transfer service, leading to up to a million US health patients having their sensitive data exposed.
News of the breach came after Community Health Systems (CHS) filed a document with government regulators confirming the breach.
According to the filing, Clop, which is allegedly tied to the Russian government, breached GoAnywhere MFT, a popular file-sharing service developed by Fortra and used by large businesses to share sensitive files, securely.