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The attackers typically demand a ransom , often in Bitcoin or other cryptocurrencies , as a condition of unlocking the computer and allowing access to the system .
 ransom: demand a ransom
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: demand a ransom