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Rather than leaking the information to the dark markets , an IBM X-Force Intelligence Index report revealed that hackers prefer to hold files hostage in exchange for a ransom payment .
 ransom: a ransom payment
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: phishing, data breach, ransom, discover vulnerability, patch vulnerability 
Text: {0} 
Answer:
 ransom: a ransom payment