2959
Jens Müller from the Ruhr - Universität Bochum in Germany published multiple advisories on vulnerabilities that he had discovered as part of his Master 's degree thesis on the security of printers .
 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