1546
In addition , the group also released a second set of files , which were encrypted with a password the group promised to provide to the winner of online bidding war .
 ( data breach: released,  group: attacker, files: compromised data, provide to the winner of online bidding war: 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: released,  group: attacker, files: compromised data, provide to the winner of online bidding war: purpose) 