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The hackers posted a statement on the home page informing that the entire data on the website has been encrypted .
 ( ransom: posted,  The hackers: attacker, a statement: tool, the home page: victim, the website has been encrypted: 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: posted,  The hackers: attacker, a statement: tool, the home page: victim, the website has been encrypted: attack pattern) 