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FIN7 has previously been tied to a sophisticated spear - phishing campaign hitting US - based businesses with emails purportedly coming from the US Securities and Exchange Commission ( SEC ) , and Morphisec researchers believe that the series of attacks leveraged against 140 + banks and other businesses earlier this year is also their work .
 emails: tool; US Securities and Exchange Commission ( SEC ): trusted entity
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: phishing 
  Option: victim, attacker, attack pattern, purpose, damage amount, tool, time, place, trusted entity 
Text: {0} 
Answer:
 emails: tool; US Securities and Exchange Commission ( SEC ): trusted entity