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The same hacking group has previously published 180,000 medical records – including insurance and social security numbers , dates of birth , and payment information – after healthcare firms refused to give in to their demands .
 ( data breach: published,  hacking group: attacker, 180,000: number of data, medical records: compromised data, insurance and social security numbers: compromised data, dates of birth: compromised data, payment information: compromised data) 
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: published,  hacking group: attacker, 180,000: number of data, medical records: compromised data, insurance and social security numbers: compromised data, dates of birth: compromised data, payment information: compromised data) 