514
" There is this stream of liability that flows from the ransomware attack , " he said " That 's liability to individuals , consumers and patients , " WannaCry exploits a vulnerability in older versions of Windows , including Windows 7 and Windows XP .
 discover vulnerability: exploits
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:
 discover vulnerability: exploits