2451
The bug , however , was triggered more than 1.2 million times from 6,500 sites that met the criteria under which it could be exploited .
 discover vulnerability: be 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: be exploited