530
The amplitude of the WannaCry phenomenon can be reduced rapidly if Microsoft decides to push an update to all users who do not use the most recent version of the Windows operating system .
 ransom: the WannaCry phenomenon
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: the WannaCry phenomenon