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Unsecured Elasticsearch servers and MongoDB databases were prime targets of a series of ransomware attacks earlier this year that generated widespread publicity in the security field .
 ransom: ransomware 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: ransomware attacks