2002
“ DoubleAgent exploits a legitimate tool of Windows called ‘ Microsoft Application Verifier ’ which is a tool included in all versions of Microsoft Windows and is used as a runtime verification tool in order to discover and fix bugs in applications , ” the company explained .
 discover vulnerability: discover
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: discover