2026 Sandberg Phoenix — SilentRansomGroup claim (May 6)
Data compromised
Unspecified legal and client data per actor marketing
Technical writeup
BreachHistory cataloged May 6, 2026 SilentRansomGroup marketing against Sandberg Phoenix (sandbergphoenix.com), a U.S. law firm. No firm notice at catalog time.
Root cause
SilentRansomGroup extortion claim