Plunkett Cooney

Plunkett Cooney was compromised in a ransomware attack attributed to SilentRansomGroup in April 2026. The organization, operating in the Business Services sector in United States, was added to the group's data leak site as part of an extortion campaign.

SilentRansomGroup operates as a financially motivated ransomware-as-a-service (RaaS) operation, exfiltrating sensitive data and threatening public disclosure to pressure victims into paying ransom demands.

Founded in 1913 and headquartered in Bloomfield Hills, Michigan. Plunkett Cooney is a law firm with of…