1062
Earlier this month , at the Security Analyst Summit 2017 , security expert Amihai Neiderman disclosed about the presence of 40 zero - day vulnerabilities in Tizen , the operating system that runs on Samsung smart TVs .
 discover vulnerability: disclosed
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: disclosed