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 .
 None
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: ransom 
  Option: victim, attacker, payment method, attack pattern, damage amount, tool, time, price, place 
Text: {0} 
Answer:
 None