In September 2016, three proposed class action lawsuits were filed in California and Illinois against a major internet company resulting from a 2014 breach of accountholder information. This case stemmed from a leak of names, passwords, and other account information of at least 500 million users. The company learned of the 2014 breach during the summer of 2016 and alerted users of the breach shortly thereafter. The complaint alleged that the company acted recklessly in securing its users' personal information and failed to discover the attack for "an unusually long time."

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