2930
" 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 .
 ( data breach: The initial breach,  September 2015: time) 
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:
 ( data breach: The initial breach,  September 2015: time) 