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Until now , the forums hacked due to vulnerability in outdated vBulletin forum software include Clash of Kings forum with 1.6 million data stolen , Epic games forum with 800,000 accounts stolen , Grand Theft Auto ( GTA )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breach: the forums hacked,  data stolen: compromised data, 1.6 million: number of victim, Clash of Kings forum: victim, outdated vBulletin forum software: victim, accounts stolen: compromised data, 12,000: number of data, Exile Mod gaming forum: victim, accounts stolen: compromised data, 7 million: number of data, LifeBoat forum: victim, 27 million: number of data, Russia ’s Mail.ru: victim, Grand Theft Auto ( GTA ) forum: victim, accounts stolen: compromised data, 800,000: number of data, Epic games forum: victim, accounts stolen: compromised data) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: phishing, data breach, ransom, discover vulnerability, patch vulnerability, Arguments type: vulnerable system, capabilities, vulnerability, number of victim, issues addressed, compromised data, damage amount, common vulnerabilities and exposures, victim, patch number, number of data, tool, discoverer, time, purpose, place, payment method, releaser, vulnerable system version, attacker, supported platform, patch, price, vulnerable system owner, trusted entity, attack pattern. 
Text: {0} 
Answer:
 ( data breach: the forums hacked,  data stolen: compromised data, 1.6 million: number of victim, Clash of Kings forum: victim, outdated vBulletin forum software: victim, accounts stolen: compromised data, 12,000: number of data, Exile Mod gaming forum: victim, accounts stolen: compromised data, 7 million: number of data, LifeBoat forum: victim, 27 million: number of data, Russia ’s Mail.ru: victim, Grand Theft Auto ( GTA ) forum: victim, accounts stolen: compromised data, 800,000: number of data, Epic games forum: victim, accounts stolen: compromised data) 