1381
After finishing his research , Hanson submitted a write - up on the three bugs he found to Microsoft in October 2016 , via the company 's bug bounty program .
 discover vulnerability: submitted a write - up
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: submitted a write - up