2001
Security researchers from computer and network security outfit Cybellum have revealed a new zero - day code injection and persistence technique that can be used by attackers to take over applications and entire Windows machines .
 discover vulnerability: have revealed
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: have revealed