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While seemingly harmless at first glance , this personal shopper data can be used by hackers to infer parts of customers ’ identities making them vulnerable to personal information breaches , blackmail and even violence .
 ( ransom: blackmail,  personal shopper data can be used: attack pattern, hackers: attacker, infer parts of customers ’ identities: 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:
 ( ransom: blackmail,  personal shopper data can be used: attack pattern, hackers: attacker, infer parts of customers ’ identities: attack pattern) 