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“ Like past attacks , the initial infection vector is a malicious Word document attached to a phishing email that is well - tailored to the targeted business and its day - to - day operations , ” the researchers noted .
 ( phishing: is well - tailored,  malicious Word document attached: attack pattern, phishing email: tool, business: 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:
 ( phishing: is well - tailored,  malicious Word document attached: attack pattern, phishing email: tool, business: victim) 