2023
Now , the hacker group is confirming Apple 's statement that its systems have not been breached , and that the stolen data was obtained through previously compromised systems over the last five years .
 ( data breach: have not been breached,  its systems: victim, the hacker group: attacker, Apple: victim) 
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: have not been breached,  its systems: victim, the hacker group: attacker, Apple: victim) 