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The group says the Center for Cyber Intelligence 's archive was circulated in an " unauthorized manner " among former U.S. government hackers and contractors , one of whom provided WikiLeaks with portions of the archive .
 ( data breach: provided,  contractors: attacker, former U.S. government hackers: attacker, archive: compromised data, the archive: compromised data, the Center for Cyber Intelligence: victim) 
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: provided,  contractors: attacker, former U.S. government hackers: attacker, archive: compromised data, the archive: compromised data, the Center for Cyber Intelligence: victim) 