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For ransomware attackers , however , industrial targets could prove lucrative because a hacker that controlled them would have the power to unleash terrible consequences if the ransom was n’t paid , Grobman said , such as opening that New York dam ’s floodgates .
 ( ransom: the ransom was n’t paid,  a hacker: attacker, industrial: 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:
 ( ransom: the ransom was n’t paid,  a hacker: attacker, industrial: victim) 