2156
On immediate investigation , ABTA said it identified that although ABTA ’s own IT systems remained secure , there was a vulnerability to the web server managed for ABTA through a third - party web developer and hosting company .
 discover vulnerability: identified
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: identified