Mitchell Silberberg & Knupp

Mitchell Silberberg & Knupp was compromised in a ransomware attack attributed to SilentRansomGroup in November 2025. The organization, operating in an undisclosed 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.

Established in 1908, Mitchell Silberberg & Knupp (MSK), is a firm that provides services such as Ventu…