Major worker’s compensation insurers, including a Berkshire Hathaway company, hacked into thousands of confidential legal files to save money on judgments and settlements, an Angeleno claims in a federal class action. Hector Casillas claims the insurers "hacked into privileged and confidential litigation files of thousands of individuals litigating worker’s compensation cases against them. The defendants stole these files from servers used by law firms representing the individual litigants and used the illegally obtained information to obtain a litigation advantage."