Hackers linked to a prominent ransomware group have been targeting US business executives at “numerous organizations” in a massive campaign since last month, according to a warning issued by Google on Thursday.

Google’s researchers said the hackers claim to be part of the notorious “clOp” ransomware gang and have been sending the threatening emails as part of what it described as a “high-volume” attack.

It wasn’t immediately clear which other companies have been targeted in the ransomware campaign, or if any have paid the ransom to regain control of their data. 3

In the emails, the hackers are claiming to have stolen their data through popular business management apps offered by Oracle to corporate clients. The attacks began around Sept. 29, according to Genevieve Stark, head of cy

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