1266
According to IBM X-Force Red researcher Daniel Crowley , out of the 17 previously - unknown vulnerabilities discovered in systems used in four smart cities , eight are deemed critical in severity .
 discover vulnerability: discovered
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: discovered