2656
Two days later , Timothy Morgan of Blindspot Security came forward and presented a more ominious exploitation scenario where the FTP URL handlers in Java and Python could be used to bypass firewalls .
 discover vulnerability: presented
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: presented