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It said that firms were sent emails requesting their services and once they reply they are sent attachments or links – both of which could contain malware which would allow the perpetrators to obtain passwords or financial details , copy or modify data on the system , and allow hackers to get into the firm ’s network .
 ( phishing: were sent,  firms: victim, emails: tool, requesting their services: attack pattern) 
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:
 ( phishing: were sent,  firms: victim, emails: tool, requesting their services: attack pattern) 