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In many cases , the scammer has an Indian accent , poses as a TalkTalk employee , and asks users to install TeamViewer to assist customers with a technical issue or to fix security errors .
 ( phishing: poses as,  a TalkTalk employee: trusted entity, asks users to install TeamViewer: attack pattern, the scammer: 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:
 ( phishing: poses as,  a TalkTalk employee: trusted entity, asks users to install TeamViewer: attack pattern, the scammer: attacker) 