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The top U.S. spy agency is going public with concerns about the latest document dump by the online whistle - blower organization WikiLeaks , warning that all Americans should be " deeply concerned " about the potential fallout .
 ( data breach: the latest document dump,  the online whistle - blower organization WikiLeaks: 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: the latest document dump,  the online whistle - blower organization WikiLeaks: attacker) 