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As you might remember , the service was hacked in 2015 , and the attackers stole sensitive personal and financial data of 37 million users , and later dumped it online .
 ( data breach: stole,  the attackers: attacker, sensitive personal and financial data: compromised data, 37 million: number of victim, users: victim, dumped it online: purpose) 
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: stole,  the attackers: attacker, sensitive personal and financial data: compromised data, 37 million: number of victim, users: victim, dumped it online: purpose) 