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" The initial breach occurred in September 2015 , giving the attackers 17 months to operate undetected , more than enough time to find and exfiltrate enough data to profit greatly from their efforts , " he said .
 September 2015: time
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:
 September 2015: time