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“ After receiving a report that data from payment card used on www.GameStop.com may have been obtained by unauthorized individuals , we immediately began an investigation and hired a leading cybersecurity firm to assist us , ” wrote J. Paul Raines , chief executive officer of GameStop in a letter dated June 2 that was sent sent to impacted customers .
 ( data breach: have been obtained,  unauthorized individuals: attacker, www.GameStop.com: victim, data from payment card: compromised data) 
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 been obtained,  unauthorized individuals: attacker, www.GameStop.com: victim, data from payment card: compromised data) 