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Ramesh Damodaran and Aliaksandr Shubnik , engineers at Infoblox , a Silicon Valley firm that does DNS , DHCP and IP management , uncovered the vulnerability and reported it to the ISC .
 discover vulnerability: uncovered
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: uncovered