Zynga could face a class-action lawsuit stemming from a massive data breach last September, which impacted 218 million users of the Words with Friends mobile app. T-Mobile USA has sent letters to customers warning them of a sophisticated attack that could have impacted users account information. Carnival Cruise Lines also disclosed a breach this week that occurred in a very similar way, and J. Crew said that it suffered a credential-stuffing attack this week.
Source: https://threatpost.com/zynga-class-action-words-with-friends-breach/153477/