508
This ransomware stood out for several reasons , including being the largest ransomware attack in history , and the first widely spread ransomware worm .
 ransom: 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: ransomware attack