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Until now , the forums hacked due to vulnerability in outdated vBulletin forum software include Clash of Kings forum with 1.6 million data stolen , Epic games forum with 800,000 accounts stolen , Grand Theft Auto ( GTA ) forum , Russia ’s Mail.ru with 27 million accounts stolen , LifeBoat forum with 7 million accounts stolen and Exile Mod gaming forum with 12,000 accounts stolen .
 data breach: the forums hacked
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: phishing, data breach, ransom, discover vulnerability, patch vulnerability 
Text: {0} 
Answer:
 data breach: the forums hacked