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The first of these ransom attacks against insecure databases traces back to a hacker identified as Harak1r1 , who Gevers said was responsible for compromising open MongoDB installations , deleting their contents , and leaving behind a ransom note demanding 0.2 BTC ( about $ 220 at the time ) .
 ransom: these ransom attacks
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: these ransom attacks