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Among the recent cyber attacks of this kind , the ` WannaCry ransomware attack ' of May 2017 infected more than 2,30,000 computers across 150 countries .
 ransom: WannaCry ransomware attack
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: WannaCry ransomware attack