Six lawsuits against Yahoo have been filed in California state courts since the company revealed its massive data breach of 500 million user accounts in September. Federal cases are arising as well, but plaintiffs are trying to take advantage of a state court system that has historically been more sympathetic to breach victims’ plight. The first suit filed by New York resident Ronald Schwartz on behalf of all affected US users was filed by Ronald Schwartz. The suit accuses Yahoo of “reckless disregard for the security of its users’ personal information that it promised to protect””]