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“ Our review has shown that a threat actor obtained access to a set of AWS keys and used them to access the AWS API from an intermediate host with another , smaller service provider in the US .
 used them to access the AWS API: attack pattern; keys: compromised data; threat actor: attacker; US: place
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: data breach 
  Option: victim, attacker, attack pattern, purpose, damage amount, tool, time, place, number of victim, compromised data, number of data 
Text: {0} 
Answer:
 used them to access the AWS API: attack pattern; keys: compromised data; threat actor: attacker; US: place