3126
In return , Cipher0007 revealed his methods and several hours later AlphaBay developers were able to close the loopholes .
 patch vulnerability: close the loopholes
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:
 patch vulnerability: close the loopholes