3417
Arctos suspects the HPCL attackers ' bot might have exploited vulnerabilities in an old Apache web - server or any additional services / plug - ins running in the server , Bala says .
 discover vulnerability: suspects
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: suspects