3408
The attacks enabled the hackers to steal confidential information by penetrating email accounts and internal systems .
 ( data breach: steal,  the hackers: attacker, confidential information: compromised data, penetrating email accounts and internal systems: attack pattern) 
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: steal,  the hackers: attacker, confidential information: compromised data, penetrating email accounts and internal systems: attack pattern) 