483
The threat , the second such alert in just a month , was spotted by security experts at Kaspersky Lab and fixed as part of Microsoft 's monthly Patch Tuesday release .
 discover vulnerability: was spotted
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: was spotted