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The data dump was publicly released earlier this week by the ShadowBrokers hacking group after it failed to auction the arsenal of hacking tools .
 ( data breach: The data dump,  earlier this week: time, the ShadowBrokers hacking group: attacker, was publicly released: 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: The data dump,  earlier this week: time, the ShadowBrokers hacking group: attacker, was publicly released: purpose) 