Russia-affiliated CheckMate ransomware quietly targets popular file-sharing protocol

The CheckMate ransomware operators have been targeting the Server Message Block (SMB) communication protocol used for file sharing to compromise their victims’ networks. Unlike most ransom campaigns, CheckMate, discovered in 2022, has been quiet throughout its operations. To the best of our knowledge, it doesn’t operate a data leak site. That’s quite unusual for a […]

The post Russia-affiliated CheckMate ransomware quietly targets popular file-sharing protocol appeared first on Security Affairs.

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