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Another curious facet of the alleged breach is that asking for payment in extremely traceable iTunes vouchers seems more than slightly curious ; why would you not ask for something with a less clean audit trail ?
 ( ransom: asking for payment,  the alleged breach: attack pattern, iTunes vouchers: payment method) 
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:
 ( ransom: asking for payment,  the alleged breach: attack pattern, iTunes vouchers: payment method) 