The data of three Am Law 50 firms was accessed in a global data theft operation, according to the ransomware group claiming responsibility for the attack that has compromised the data of millions of individuals.

Kirkland & Ellis, K&L Gates and Proskauer Rose are among the latest organizations to be identified in the breach, finding themselves in the company of a growing list of more than 50 other global corporations and banks targeted by the ransomware group known as CL0P.