486
The news comes just a few weeks after Kaspersky Lab detected a similar zero - day threat in Microsoft 's system , having alerted the computing giant to a further Windows vulnerability that had been utilised by state - backed cyber-espionage group known as FruityArmor .
 discover vulnerability: having alerted
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: having alerted