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For a hacker , holding an industrial control system hostage can also be lucrative , and far more devastating for the victim .
 ransom: holding an industrial control system hostage
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: holding an industrial control system hostage