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Thousands of resumes and job applications from U.S. military veterans , law enforcement , and others were leaked by a recruiting vendor in an unsecured AWS S3 bucket .
 ( data breach: were leaked,  law enforcement: victim, U.S. military veterans: victim, job applications: compromised data, resumes: compromised data, Thousands: number of data, a recruiting vendor: 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: were leaked,  law enforcement: victim, U.S. military veterans: victim, job applications: compromised data, resumes: compromised data, Thousands: number of data, a recruiting vendor: attacker) 