1784
A hacker claims to have managed to get his hands on 6.5 million email addresses and poorly hashed passwords pertaining to users of Dueling Networks , a now - dead Flash game that 's based on the Yu - Gi - Oh trading card game .
 ( data breach: get,  Dueling Networks: victim, users: victim, passwords: compromised data, email addresses: compromised data, A hacker: attacker) 
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: get,  Dueling Networks: victim, users: victim, passwords: compromised data, email addresses: compromised data, A hacker: attacker) 