Orrick, Herrington & Sutcliffe

Orrick, Herrington & Sutcliffe was compromised in a ransomware attack attributed to SilentRansomGroup in February 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 1963 and headquartered in San Francisco, California, Orrick, Herrington & Sutcliffe is a co…