2495
According to Cerrudo and Apa , once a vulnerability has been exploited , a hacker could potentially gain control of the robot for cyber espionage , turn a robot into an insider threat , use a robot to expose private information , or cause a robot to perform unwanted actions when interacting with people , business operations , or other robots .
 discover vulnerability: been exploited
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: been exploited